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About 228 results

Coronavirus Variant Is Indeed More Transmissible, New Study Suggests
https://www.nytimes.com/2020/12/23/health/coronavirus-uk-variant.html
The New York Times; Zimmer C and Carey B.

A team of British scientists released a worrying study on Wednesday of the new coronavirus variant sweeping the United Kingdom. They warned that the variant is so contagious that new control measures, including closing down schools and universities, might be necessary. Even that may not be enough, they noted, saying, “It may be necessary to greatly accelerate vaccine rollout.”

What We Know About the Indian Variant as Coronavirus Sweeps South Asia
https://www.medscape.com/viewarticle/950275

May 3rd, 2021 - NEW DELHI (Reuters) - India has recorded the world's sharpest spike in coronavirus infections this month, with political and financial capitals New Delhi and Mumbai running out of hospital beds, oxygen and medicines. Scientists are studying what led to an unexpected surge, and particularly whether a variant of the novel coronavirus first detected in India is to blame. The variant,...

UK Coronavirus Variant Associated With Higher Viral Loads
https://www.medscape.com/viewarticle/943280

Dec 29th, 2020 - (Reuters) - The highly infectious variant of the COVID-19 coronavirus that has been circulating in the UK is linked with higher loads of virus in the blood, new research suggests. Around 35% of patients infected by the variant form seem to have very high levels of virus in their samples, compared to 10% of patients without the variant, study leader Mich...

New SARS-CoV-2 Variant Infecting Greater Proportion of Young People
https://www.medscape.com/viewarticle/943540

Jan 5th, 2021 - A new preprint study suggests that the new variant of SARS-CoV-2 termed Variant of Concern (VOC) 202012/01 is significantly more transmissible than other variants and is infecting a greater proportion of younger individuals in England. A team of researchers at the Imperial College London, the University of Edinburgh, Public Health England, the Wellcome ...

More Transmissible Variant Could Dominate by March, CDC Warns
https://www.medscape.com/viewarticle/944240

Jan 15th, 2021 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Just over 1 month since UK investigators cautioned the world about the emergence of a new, more transmissible SARS-CoV-2 variant, Centers for Disease Control and Prevention (CDC) investigators warn this new one will predominate across the United States by March. However, the...

EU Regulator Approves Moderna Vaccine as Fears Grow Over Virus Variants
https://www.medscape.com/viewarticle/943627

Jan 7th, 2021 - AMSTERDAM (Reuters) - Europe's drug regulator gave the green light to Moderna Inc's COVID-19 vaccine on Wednesday, the second shot it has approved, as authorities accelerate inoculation efforts amid fears about more infectious variants of the coronavirus. Vaccinating the European Union's 450 million people could be crucial to ending a pandemic that has killed almost 1.9 million pe...

Immune-related transcriptome of Coptotermes formosanus Shiraki workers: the defense mec...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3712931
PloS One; Hussain A, Li YF et. al.

Jul 23rd, 2013 - The epidemiology and genetic diversity of transmissible gastroenteritis virus (TGEV) in the United States (US) was investigated by testing clinical cases for TGEV by real time RT-PCR between January 2008 and November 2016. Prevalence of TGEV ranged between 3.8-6.8% and peaked during cold months until March 2013, in which prevalence decreased to 

Experts Debate Wisdom of Delaying Second COVID-19 Vaccine Dose
https://www.medscape.com/viewarticle/943533

Jan 4th, 2021 - Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. A proposal to delay administration of the second dose of COVID-19 vaccines — suggested as a strategy to boost the number of people who get some degree of protection from a single immunization with the Pfizer/BioNTech or Moderna vaccines — is inciting a strong debate among clinicians and public health of...

Study: Brazilian Variant May Be More Transmissible
https://www.medscape.com/viewarticle/950280

Apr 30th, 2021 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. The coronavirus variant first detected in Brazil appears to be much more transmissible than other versions of the virus, a new study says. The study, first published in Science, also said the variant called P.1 might be able to evade immunity that...

Delta COVID Variant Becoming Globally Dominant, WHO Official Says
https://www.medscape.com/viewarticle/953381

Jun 21st, 2021 - GENEVA (Reuters) - The Delta variant of COVID-19, first identified in India, is becoming the globally dominant variant of the disease, the World Health Organization's chief scientist said on Friday. Soumya Swaminathan also voiced disappointment in the failure of CureVac's vaccine candidate in a trial to meet the WHO's efficacy standard, in particular as highly transmissible...

Sinopharm's COVID-19 Vaccine Remained Active Against South Africa Variant, Effect Reduced: Lab Study
https://www.medscape.com/viewarticle/945205

Feb 4th, 2021 - BEIJING (Reuters) - Two COVID-19 vaccines from Chinese companies including Sinopharm triggered immunity against a highly transmissible coronavirus variant first found in South Africa, but their effect appeared weaker, a small-sample lab study released on Tuesday showed. Variants of the virus have stirred concern that they might weaken effects of vaccines and treatmen...

More COVID Variants Expected on U.S. Shores
https://www.medpagetoday.com/infectiousdisease/covid19/90484

Dec 30th, 2020 - At least one of two or more new SARS-CoV-2 variants have likely made it into community spread in the United States, but they're unlikely to have much impact on vaccine effectiveness or standard precautions, CDC officials said at a briefing. The first reported U.S. case of the highly transmissible coronavirus variant first seen in Great Britain (dubbed SARS-CoV-2 VUI ...

FDA: Coronavirus Variants May Cause False-Negative Tests
https://www.medpagetoday.com/infectiousdisease/covid19/90612

Jan 8th, 2021 - The new SARS-CoV-2 genetic variant originally detected in the U.K. may cause some false negatives on certain molecular tests, the FDA said in an alert to healthcare providers and laboratories on Friday. Variant B.1.1.7 and other genetic variants may impact the performance of certain diagnostic tests, and the agency emphasized false-negative results can occur if a mutation occurs i...

Global Vax Giveaway; Another Outbreak in China; More Hospital Workers Face Mandates
https://www.medpagetoday.com/infectiousdisease/covid19/93025

Jun 10th, 2021 - Note that some links may require registration or subscription. Half a billion doses of the Pfizer COVID vaccine will be purchased by the U.S. and donated to other countries within a year. (Washington Post) A similar deal with Moderna is reportedly in the works. (CNBC) China battles an ongoing coronavirus outbreak in Guangzhou, where the entire population of 18.7 million was tested between Sunda...

Contagious Brazil COVID-19 Variant Evades Immunity, Scientists Warn
https://www.medscape.com/viewarticle/946698

Mar 3rd, 2021 - LONDON (Reuters) - A highly transmissible COVID-19 variant that emerged in Brazil and has now been found in at least 20 countries can re-infect people who previously recovered from the disease, scientists said on Tuesday. In a study of the mutant virus's emergence and its spread in the Amazon jungle city of Manaus, the scientists said the variant - known as P.1 - has...

Trajectory of Growth of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Va...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8299152
The American Journal of Pathology; Olsen RJ, Christensen PA et. al.

Jul 26th, 2021 - Certain genetic variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are of substantial concern because they may be more transmissible or detrimentally alter the pandemic course and disease features in individual patients. SARS-CoV-2 genome sequences from 12,476 patients in the Houston Methodist health care system diagnosed from January 1 through May 31,...

How Concerned Should We Be About the Mu Variant?
https://www.medscape.com/viewarticle/958436

Sep 9th, 2021 - Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Now that we're halfway through the Greek alphabet for naming SARS-CoV-2 variants, it is clear that some are more worrisome than others. Only four so far have raised enough alarm to warrant a World Health Organization 'variant of concern' designation — Alpha, Beta, Gamma, and Delta. And now...

DeSantis' Executive Order Is Misleading About Lack of Scientific Support for Masking in Schools
https://www.medscape.com/viewarticle/956423

Aug 11th, 2021 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. On July 30, Florida Gov. Ron DeSantis issued an executive order stating that schools couldn't mandate that their students wear masks, and that it should be up to parents to decide whether they want their children masked in school buildings. The order also said the state can deny funding to distr...

Resurgence in SARS-CoV-2 Infections in HCWs Tied to Multiple Factors
https://www.medscape.com/viewarticle/958036

Sep 2nd, 2021 - Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Waning immunity to SARS-CoV-2 vaccination, coupled with the highly transmissible Delta variant and the end of mask mandates, likely contributed to a resurgence of SARS-CoV-2 infections among a highly vaccinated group of healthcare workers in California, according to a report...

UK Variant Not Causing Worse Illness in Children
https://www.medscape.com/viewarticle/946002

Feb 18th, 2021 - (Reuters) - The coronavirus variant first identified in the UK does not cause more severe disease in children than variants circulating earlier in 2020, a single-center study suggests. Doctors at King's College Hospital in London compared 20 children hospitalized for COVID-19 during the pandemic's first wave and 60 hospitalized during the second wave, when mos...