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Systematic screening on admission for SARS-CoV-2 to detect asymptomatic infections.
https://doi.org/10.1186/s13756-021-00912-z 10.1371/journal.pone.0239235 10.1001/jama.2020.2648 10.2147/IDR.S261304 10.1001/jamanetworkopen.2020.9666 10.1002/ijgo.13252 10.1001/jama.2020.2565 10.1056/NEJMe2009758 10.1371/journal.pone.0240205 10.1093/infdis/jiaa464 10.3390/jcm9103217 10.1016/j.jclinepi.2007.11.008 10.1038/s41586-020-2488-1 10.3201/eid2608.201274 10.15585/mmwr.mm6914e2 10.15585/mmwr.mm6921e1 10.1017/ice.2020.255 10.1016/j.ijid.2020.06.052 10.1371/journal.pone.0241536 10.1016/j.eclinm.2020.100533 10.15585/mmwr.mm6914e1
Antimicrobial Resistance and Infection Control; Stadler RN, Maurer L et. al.

Feb 28th, 2021 - The proportion of asymptomatic carriers of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains elusive and the potential benefit of systematic screening during the SARS-CoV-2-pandemic is controversial. We investigated the proportion of asymptomatic inpatients who were identified by systematic screening for SARS-CoV-2 upon hospital admission. Our analysis revealed that systemati...

Ultra-rapid detection of SARS-CoV-2 in public workspace environments.
https://doi.org/10.1371/journal.pone.0240524
PloS One; Yaren O, McCarter J et. al.

Feb 24th, 2021 - Managing the pandemic caused by SARS-CoV-2 requires new capabilities in testing, including the possibility of identifying, in minutes, infected individuals as they enter spaces where they must congregate in a functioning society, including workspaces, schools, points of entry, and commercial business establishments. Here, the only useful tests (a) require no sample transport, (b) require minima...

SARS-CoV-2 viral shedding characteristics and potential evidence for the priority for f...
https://doi.org/10.1371/journal.pone.0247367
PloS One; Yuan C, Wang H et. al.

Feb 22nd, 2021 - This study aimed to identify the specimen type that has high positivity and its proper sampling time for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing to promote diagnostic efficiency. All SARS-CoV-2-infected patients with a laboratory-confirmed diagnosis in Zhoushan City were followed up for viral shedding in respiratory tract specimens and faecal samples. Positivity was...

With COVID Vaccinations Comes a Potential Nightmare Scenario
https://www.medscape.com/viewarticle/945433

Feb 9th, 2021 - This transcript has been edited for clarity. Welcome to Impact Factor, your weekly dose of commentary on a new medical study. I'm Dr F. Perry Wilson of the Yale School of Medicine. No one talked about it much, but public health professionals were all aware of a potential nightmare scenario when COVID vaccinations started up in bulk. No, not a slew of severe adverse events; the clinical trials m...

Understanding COVID-19 Origins Will Take Years, Says WHO Team Member
https://www.medscape.com/viewarticle/945362

Feb 7th, 2021 - WUHAN, China (Reuters) - A member of the World Health Organization-led team visiting the central Chinese city of Wuhan said he has been surprised by the complexity of getting to the origins of the COVID-19 pandemic and that years of research lay ahead. Dominic Dwyer, a microbiologist and infectious diseases expert, said the team in Wuhan had received the access it requested from Chinese authori...

Feasibility and Predictive Performance of a Triage System for Patients with Cancer Duri...
https://doi.org/10.1002/onco.13706
The Oncologist; Fasola G, Pelizzari G et. al.

Feb 4th, 2021 - Triage procedures have been implemented to limit hospital access and minimize infection risk among patients with cancer during the coronavirus disease (COVID-19) outbreak. In the absence of prospective evidence, we aimed to evaluate the predictive performance of a triage system in the oncological setting. This retrospective cohort study analyzes hospital admissions to the oncology and hematolog...

At the Urging of Nursing Homes, a Law Is Amended and COVID Court Claims Are Slowed
https://www.medscape.com/viewarticle/944954

Jan 31st, 2021 - (Reuters) - Garnice Robertson wants accountability for her mother's death from COVID-19 caught while she was living at a Kansas nursing home that allegedly failed to prevent an outbreak of the disease. An unexpected legal hurdle stands in her way. The nursing home argues it has complete legal immunity for lawsuits like Robertson's stemming from COVID-19. It cites recent changes to a 2005 law by...

SARS-CoV-2 infection in asymptomatic healthcare workers at a clinic in Chile.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7842995
PloS One; Olmos C, Campaña G et. al.

Jan 28th, 2021 - Asymptomatic SARS-CoV-2 infection of healthcare workers (HCWs) has been reported as a key player in the nosocomial spreading of COVID-19. Early detection of infected HCWs can prevent spreading of the virus in hospitals among HCWs and patients. We conducted a cross-sectional study to determine the asymptomatic infection of HCWs in a private clinic in the city of Santiago, Chile. Our study was co...

Clinical course and challenging management of early COVID-19 infection after heart tran...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7816134
BMC Infectious Diseases; Tchana-Sato V, Ancion A et. al.

Jan 21st, 2021 - There are limited data on Coronavirus disease 2019 (COVID-19) in solid organ transplant patients, especially in heart transplant recipients, with only a few case reports and case series described so far. Heart transplant recipients may be at particular high risk due to their comorbidities and immunosuppressed state. This report describes the clinical course and the challenging management of ear...

Madrid Begins Mass Testing Young People for COVID-19
https://www.medscape.com/viewarticle/944424

Jan 20th, 2021 - MADRID (Reuters) - Health authorities in Madrid began mass testing hundreds of young people for COVID-19 at universities on Wednesday to detect asymptomatic carriers in one of the groups with the highest rates of transmission. With the country in the grip of a third wave of infection, authorities called on young people to attend makeshift medical centres at nine university campuses to take a ra...

Detection-based prioritisation: Framework of multi-laboratory characteristics for asymp...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7647899
Artificial Intelligence in Medicine; Albahri AS, Hamid RA et. al.

Jan 19th, 2021 - Corona virus (COVID) has rapidly gained a foothold and caused a global pandemic. Particularists try their best to tackle this global crisis. New challenges outlined from various medical perspectives may require a novel design solution. Asymptomatic COVID-19 carriers show different health conditions and no symptoms; hence, a differentiation process is required to avert the risk of chronic virus ...

Parasites and Parasitology in this SARS-CoV-2, COVID-19 World: An American Society of P...
https://doi.org/10.1645/20-158
The Journal of Parasitology; Hillyer JF

Jan 15th, 2021 - The novel coronavirus disease 2019 (COVID-19) is one of the worst global health crises of this generation. The core of this pandemic is the rapid transmissibility of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus, its high morbidity and mortality, and the presence of infectious asymptomatic carriers. As a result, COVID-19 has dominated this year's headlines and commanded...

Challenge of post-COVID era: management of cardiovascular complications in asymptomatic...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7797272
Heart Failure Reviews; Gupta S, Mitra A

Jan 11th, 2021 - Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), a highly pathogenic member of family coronaviridae, has caused an exponentially growing global pandemic termed as the coronavirus disease 2019 (COVID-19) with more than 12 million cases worldwide till date. This deadly disease has average fatality rate of 6.5% and even higher among elderly patients and patients with comorbidities. SA...

Seroprevalence and asymptomatic carrier status of SARS-CoV-2 in Wuhan City and other pl...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7790301
PLoS Neglected Tropical Diseases; Duan S, Zhou M et. al.

Jan 7th, 2021 - Wuhan City (WH) in China was the first place to report COVID-19 in the world and the outbreak of COVID-19 was controlled in March of 2020 in WH. It is unclear what percentage of people were infected with SARS-CoV-2 and what percentage of population is carriers of SARS-CoV-2 in WH. We retrospectively analyzed the SARS-CoV-2 IgG and IgM antibody positive rates in 63,107 healthy individuals from W...

The role of serum specific- SARS-CoV-2 antibody in COVID-19 patients.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7759121
International Immunopharmacology; Chen H, Zhang X et. al.

Jan 5th, 2021 - Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), responsible for coronavirus disease 2019 (COVID-19), has rapidly spread, resulting in considerable casualties and serious economic loss worldwide. Disease severity and related symptoms markedly vary among individuals. A large number of patients present atypical symptoms, which represent a big challenge for early diagnosis and prompt ...

Informed sequential pooling approach to detect SARS-CoV-2 infection.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7773195
PloS One; Millioni R, Mortarino C

Dec 30th, 2020 - The alarming spread of the pandemic coronavirus disease 2019 (COVID-19) caused by the SARS-CoV-2 virus requires several measures to reduce the risk of contagion. Every successful strategy in controlling the SARS-CoV-2 infection depends on timely diagnosis, which should include testing of asymptomatic carriers. Consequently, increasing the throughput for clinical laboratories for the purposes of...

Interrelations between COVID-19 and other disorders.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7833539
Clinical Immunology (Orlando, Fla.); Gasmi A, Peana M et. al.

Dec 17th, 2020 - The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a respiratory tract virus that causes Coronavirus disease (COVID-19). The virus originated in Wuhan, China, in December 2019 and has spread across the globe to-date. The disease ranges from asymptomatic carriers to symptoms such as fever, sore throat, cough, lung infections, and in severe cases, acute respiratory distress syndr...

Asymptomatic patients as a source of transmission of COVID-19 in homeless shelters.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7834802
International Journal of Infectious Diseases : IJID : Off... Ralli M, Morrone A et. al.

Dec 15th, 2020 - Asymptomatic carriers account for over a third of all Coronavirus Disease 19 (COVID-19) cases and are characterized by the absence of symptoms but the same infectivity as symptomatic infections. The high percentage of asymptomatic COVID-19 patients is significant in settings with specific vulnerabilities, such as homeless shelters, where the consequences of an outbreak may be dramatic. In this ...

Sexual Health Implications of COVID-19 Pandemic.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7643626
Sexual Medicine Reviews; Pennanen-Iire C, Prereira-Lourenço M et. al.

Dec 14th, 2020 - A novel coronavirus (COVID-19) reached pandemic levels by March 11th, 2020, with a destructive impact across socioeconomic domains and all facets of global health, but little is known of its impact on sexual health. To review current knowledge on sexual health-related containment measures during pandemics, specifically COVID-19, and focus on 2 main areas: intimacy and relational dynamics and cl...

Epidemiological characterisation of asymptomatic carriers of COVID-19 in Colombia: a cr...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7722836
BMJ Open; Teherán AA, Camero Ramos G et. al.

Dec 9th, 2020 - Asymptomatic carriers (AC) of the new SARS-CoV-2 represent an important source of spread for COVID-19. Early diagnosis of these cases is a powerful tool to control the pandemic. Our objective was to characterise patients with AC status and identify associated sociodemographic factors. Using a cross-sectional design and the national database of daily occurrence of COVID-19, we characterised both...

Molecular epidemiology of SARS-CoV-2 clusters caused by asymptomatic cases in Anhui Pro...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7719853
BMC Infectious Diseases; Yuan Y, He J et. al.

Dec 8th, 2020 - COVID-19 is a newly emerging disease caused by a novel coronavirus (SARS-CoV-2), which spread globally in early 2020. Asymptomatic carriers of the virus contribute to the propagation of this disease, and the existence of asymptomatic infection has caused widespread fear and concern in the control of this pandemic. In this study, we investigated the origin and transmission route of SARS-CoV-2 in...

Angiotensin-converting enzyme 2 and COVID-19: patients, comorbidities, and therapies.
https://doi.org/10.1152/ajplung.00259.2020
American Journal of Physiology. Lung Cellular and Molecul... Pathangey G, Fadadu PP et. al.

Nov 25th, 2020 - On March 11, 2020, the World Health Organization declared coronavirus disease 2019 (COVID-19) a pandemic, and the reality of the situation has finally caught up to the widespread reach of the disease. The presentation of the disease is highly variable, ranging from asymptomatic carriers to critical COVID-19. The availability of angiotensin-converting enzyme 2 (ACE2) receptors may reportedly inc...

An overview on COVID-19 pandemic: from discovery to treatment.
https://doi.org/10.2174/1871526520666201109115820
Infectious Disorders Drug Targets; Panati K, Tatireddygari VRA et. al.

Nov 10th, 2020 - Recently, novel coronavirus infection (COVID-19) emerged in Wuhan, China has been declared as pandemic by WHO. Until now, no evidence is documented regarding its wild animal reservoir or intermediary host, but, human-to-human transmission, asymptomatic carriers were very much observed. The number of confirmed cases and death toll have been increased almost all over the world indicating its pote...

Type A Aortic Dissection During COVID-19 Pandemic: Report From Tertiary Aortic Centers ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7648657
Seminars in Thoracic and Cardiovascular Surgery; Fukuhara S, Tang H et. al.

Nov 10th, 2020 - Coronavirus disease 2019 (COVID-19) has substantially disrupted many processes of care related to emergency cardiac conditions, while there has been no clinical guidance regarding the management of type A aortic dissection. A retrospective multicenter study involving 52 consecutive patients (mean age 52.3, 28.9% women) with type A aortic dissection during COVID-19 pandemic was conducted at tert...

SARS-CoV-2 seroprevalence and transmission risk factors among high-risk close contacts:...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7831879
The Lancet. Infectious Diseases; Ng OT, Marimuthu K et. al.

Nov 5th, 2020 - The proportion of asymptomatic carriers and transmission risk factors of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) among household and non-household contacts remains unclear. In Singapore, extensive contact tracing by the Ministry of Health for every diagnosed COVID-19 case, and legally enforced quarantine and intensive health surveillance of close contacts provided a rare op...

Identification of a metabolic, transcriptomic and molecular signature of PNPLA3-mediate...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7641518
Hepatology (Baltimore, Md.); Banini BA, P Kumar D et. al.

Nov 1st, 2020 - The global coronavirus disease 2019 (COVID-19) pandemic has posed great challenges in people's daily lives. Highly sensitive laboratory techniques played a critical role in clinical COVID-19 diagnosis and management. In this study the feasibility of using a new digital PCR-based detection assay for clinical COVID-19 diagnosis was investigated by comparing its performance with that of RT-PCR. Cl...

About 17% of COVID-19 Survivors Retest Positive in Follow-Up Study
https://www.medscape.com/viewarticle/940114

Oct 29th, 2020 - Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. For reasons unknown, about 1-in-6 people who recovered from COVID-19 subsequently retested positive at least 2 weeks later, researchers reported in a study in Italy. People returned for follow-up visits a mean 17 days after the second negative swab test. Asymptomatic COVID-19 Carriers? "These findings indicate...

Clinical features and antibody response of patients from a COVID-19 treatment hospital ...
https://doi.org/10.1002/jmv.26617
Journal of Medical Virology; Chen Y, Ke Y et. al.

Oct 21st, 2020 - Coronavirus disease 2019 (COVID-19) has rapidly evolved into a global pandemic. A total of 1578 patients admitted into a newly built hospital specialized for COVID-19 treatment in Wuhan, China, were enrolled. Clinical features and the levels of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immunoglobulin (Ig)M and IgG were analyzed. In total, 1532 patients (97.2%) were identified...

Cytosorb filter: An adjunct for survival in the COVID-19 patient in cytokine storm? a c...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7500900
Heart & Lung : the Journal of Critical Care; Rizvi S, Danic M et. al.

Oct 12th, 2020 - COVID-19 is a pandemic that has affected not only the United States, but the entire world. The impact it has had has overwhelmed the entire healthcare system, from the unknown carrier status, poor testing capabilities to hospitals running out of ventilators for severely ill patients. There has been a variety of potential treatment modalities for the various forms of illness ranging from asympto...

Antibody dynamics to SARS-CoV-2 in asymptomatic COVID-19 infections.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7675426
Allergy Lei Q, Li Y et. al.

Oct 11th, 2020 - The missing asymptomatic COVID-19 infections have been overlooked because of the imperfect sensitivity of the nucleic acid testing (NAT). Globally understanding the humoral immunity in asymptomatic carriers will provide scientific knowledge for developing serological tests, improving early identification, and implementing more rational control strategies against the pandemic. Utilizing both NAT...

Epidemiological analysis of 67 local COVID-19 clusters in Sichuan Province, China.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7543676
BMC Public Health; Mao S, Huang T et. al.

Oct 9th, 2020 - This study was intended to investigate the epidemiological characteristics of COVID-19 clusters and the severity distribution of clinical symptoms of involved cases in Sichuan Province, so as to provide information support for the development and adjustment of strategies for the prevention and control of local clusters. The epidemiological characteristics of 67 local clusters of COVID-19 cases ...

Care homes and COVID-19 in Hong Kong: how the lessons from SARS were used to good effect.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7665295
Age and Ageing; Chow L

Oct 9th, 2020 - In Hong Kong, about 15% of older people (aged 80 and above) live in care homes, one of the highest proportions in the world. During the spread of severe acute respiratory syndrome in 2003, the crude fatality rate for older people in care homes that were infected was 72%. After taking the advice of a team of international experts, the Hong Kong Government implemented comprehensive preventive mea...

Role of a Pediatric Cardiologist in the COVID-19 Pandemic.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7533115
Pediatric Cardiology; Niaz T, Hope K et. al.

Oct 5th, 2020 - Coronavirus disease 2019 (COVID-19) has affected patients across all age groups, with a wide range of illness severity from asymptomatic carriers to severe multi-organ dysfunction and death. Although early reports have shown that younger age groups experience less severe disease than older adults, our understanding of this phenomenon is in continuous evolution. Recently, a severe multisystem in...

Carbapenemase-producing Enterobacterales outbreak: Another dark side of COVID-19.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7529666
American Journal of Infection Control; Farfour E, Lecuru M et. al.

Oct 4th, 2020 - In the hospital department dedicated to COVID-19-patient, infection prevention and control measures were upgraded. Therefore, the cross-transmission of other micro-organisms was thought unlikely to occur. However, we report an outbreak of NDM-5-producing Escherichia. coli in a 12-beds ICU dedicated to COVID-19 patients. This outbreak involved 6 patients of which 5 were asymptomatic carriers and...

Asymptomatic carriage rates and case fatality of SARS-CoV-2 infection in residents and ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7543256
Age and Ageing; Kennelly SP, Dyer AH et. al.

Sep 28th, 2020 - SARS-CoV-2 has disproportionately affected nursing homes (NH). In Ireland, the first NH case COVID-19 occurred on 16 March 2020. A national point-prevalence testing programme of all NH residents and staff took place (18 April 2020 to 5 May 2020). to examine characteristics of NHs across three Irish Community Health Organisations, proportions with COVID-19 outbreaks, staff and resident infection...

COVID-19: Current understanding of its pathophysiology, clinical presentation and treat...
https://doi.org/10.1136/postgradmedj-2020-138577
Postgraduate Medical Journal; Parasher A

Sep 26th, 2020 - The severe acute respiratory syndrome (SARS) coronavirus-2 is a novel coronavirus belonging to the family Coronaviridae and is now known to be responsible for the outbreak of a series of recent acute atypical respiratory infections originating in Wuhan, China. The disease caused by this virus, termed coronavirus disease 19 or simply COVID-19, has rapidly spread throughout the world at an alarmi...

Mass screening of asymptomatic persons for SARS-CoV-2 using saliva.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7543374
Clinical Infectious Diseases : an Official Publication Of... Yokota I, Shane PY et. al.

Sep 25th, 2020 - COVID-19 has rapidly evolved to become a global pandemic due largely to the transmission of its causative virus through asymptomatic carriers. Detection of SARS-CoV-2 in asymptomatic people is an urgent priority for the prevention and containment of disease outbreaks in communities. However, few data are available in asymptomatic persons regarding the accuracy of PCR testing. Additionally, alth...

Identification, presence, and possible multifunctional regulatory role of invertebrate ...
https://doi.org/10.1016/j.ygcen.2020.113621
General and Comparative Endocrinology; Fodor I, Zrinyi Z et. al.

Sep 23rd, 2020 - A novel coronavirus (COVID-19) reached pandemic levels by March 11th, 2020, with a destructive impact across socioeconomic domains and all facets of global health, but little is known of its impact on sexual health. To review current knowledge on sexual health-related containment measures during pandemics, specifically COVID-19, and focus on 2 main areas: intimacy and relational dynamics and cl...

Determination of risk factors for predicting the onset of symptoms in asymptomatic COVI...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7484673
International Journal of Medical Sciences; Tao PY, Leng L et. al.

Sep 14th, 2020 - Background: The number of asymptomatic infected patients with coronavirus disease 2019 (COVID-2019) is rampaging around the world but limited information aimed on risk factors of asymptomatic infections. The purpose of this study is to investigate the risk factors of symptoms onset and clinical features in asymptomatic COVID-19 infected patients. Methods: A retrospective study was performed in ...

Lessons for Patients With MS and COVID-19
https://www.medscape.com/viewarticle/937300

Sep 11th, 2020 - Two important lessons about managing patients with multiple sclerosis (MS) and COVID-19 have emerged from a hospital clinic in Madrid that managed COVID-infected patients with MS through the peak of the pandemic: Combined polymeric chain reaction and serology testing helped avoid disease reactivation in asymptomatic carriers during the pandemic peak, although after the peak PCR alone proved jus...

Anosmia in COVID-19: Underlying Mechanisms and Assessment of an Olfactory Route to Brai...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7488171
The Neuroscientist : a Review Journal Bringing Neurobiolo... Butowt R, von Bartheld CS

Sep 11th, 2020 - In recent months it has emerged that the novel coronavirus-responsible for the COVID-19 pandemic-causes reduction of smell and taste in a large fraction of patients. The chemosensory deficits are often the earliest, and sometimes the only signs in otherwise asymptomatic carriers of the SARS-CoV-2 virus. The reasons for the surprisingly early and specific chemosensory dysfunction in COVID-19 are...

Fauci: 'About 40%-45% of Infections Are Asymptomatic'
https://www.staging.medscape.com/viewarticle/937297

Sep 10th, 2020 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Anthony Fauci, MD, highlighting the latest COVID-19 developments on Friday, said, "It is now clear that about 40%-45% of infections are asymptomatic." Dr Anthony Fauci (The Associated Press) Asymptomatic carriers can account for a large proportion — up to 50% — of virus transmissions, Fauci, dir...

Fauci: 'About 40%-45% of Infections Are Asymptomatic'
https://www.medscape.com/viewarticle/937297

Sep 10th, 2020 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Anthony Fauci, MD, highlighting the latest COVID-19 developments on Friday, said, "It is now clear that about 40%-45% of infections are asymptomatic." Dr Anthony Fauci (The Associated Press) Asymptomatic carriers can account for a large proportion — up to 50% — of virus transmissions, Fauci, dir...

Infectious COVID-19 Can Persist in Gut for Weeks
https://www.medscape.com/viewarticle/937256

Sep 10th, 2020 - For the first time, researchers detected active and prolonged infection of SARS-CoV-2 virus in the gastrointestinal (GI) tracts of people with confirmed COVID-19. Stool tests were positive among people with no GI symptoms, and in some cases up to 6 days after nasopharyngeal swabs yielded negative results. The small pilot study suggests a quiescent but active infection in the gut. Stool testing ...

Infected Children May Go Unnoticed, Study Says
https://www.medscape.com/viewarticle/936728

Sep 1st, 2020 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. A new study points out the difficulty in developing testing strategies to detect children who have become infected with the coronavirus. Ninety-one infected children in South Korea were studied, the researchers said. Twenty were completely asymptomatic; 18 were pre-symptomatic, meaning they show...

Anesthesiologist behavior and anesthesia machine use in the operating room during the C...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7453066
Journal of Anesthesia; Obara S

Aug 28th, 2020 - The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) disease [coronavirus disease 2019 (COVID-19) infection] first appeared in December 2019 in China and is now spreading worldwide. Because SARS-CoV-2 can be transmitted via aerosols and surface contaminations of the environment, appropriate use of anesthesia machines and appropriate behavior in the operation room (OR) are required s...

SARS-CoV-2 serosurvey in health care workers of the Veneto Region.
https://doi.org/10.1515/cclm-2020-1236
Clinical Chemistry and Laboratory Medicine; Plebani M, Padoan A et. al.

Aug 27th, 2020 - Objectives The ongoing outbreak of coronavirus disease (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) poses formidable challenges to all health care systems. Serological assays may be used for improving disease management when appropriately applied, for investigating the antibody responses mounted against SARS-CoV-2 infection and for assessing its real pre...

Asymptomatic carriers of COVID-19 in a confined adult community population in Quebec: A...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7441982
American Journal of Infection Control; Cloutier L, Merindol N et. al.

Aug 24th, 2020 - Several countries have undertaken social distancing measures to stop SARS-CoV-2 spread. Asymptomatic carriers' prevalence is unknown and would provide essential information on hidden viral circulation. In our cross-sectional study, 1.82% of 330 asymptomatic confined individuals living in the community carried SARS-CoV-2 despite no contact with declared cases, raising concerns about unnoticed tr...

Care of the COVID-19 exposed complex newborn infant.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7373040
Seminars in Perinatology; Krishnamurthy G, Sahni R et. al.

Aug 20th, 2020 - As we confront COVID-19, the global public health emergency of our times, new knowledge is emerging that, combined with information from prior epidemics, can provide insights on how to manage this threat in specific patient populations. Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS), both caused by coronaviruses, caused serious respiratory illness in pregna...

Management of gastrointestinal endoscopy unit during post covid-19 endemic outbreak: A ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7426222
American Journal of Infection Control; Cao L, Guo Q et. al.

Aug 17th, 2020 - The COVID-19 pandemic is caused by severe acute respiratory syndrome coronavirus 2 and causing a global public health emergency. During the outbreak, Wuhan was the first reported and hardest-hit city. With the dramatic drop in number of confirmed cases and subsequent ending of Wuhan lock down, asymptomatic carriers and patients in their recovery period still pose an increased risk. Strict and e...