White-tailed deer across Ohio have been infected with the virus that causes COVID-19, new research has found – and the results also show that viral variants evolve about three times faster in deer than in humans.
CDC has detected a new SARS-CoV-2 variant labeled BA.2.86. CDC is continually monitoring for new variants and studying their potential impact on public health.
Public-health experts are sounding the alarm about a new Omicron variant dubbed XBB that is rapidly spreading across the Northeast U.S. Some studies suggest it is as different from the original Covid strain from Wuhan as the 2003 SARS virus. Should Americans be worried?
BA.5 more easily transmits and escapes immunity, leading many to call it the "worst version" of omicron yet. Breakthrough hospitalizations are rising, too, but it might not just be the variant causing the spike
Advisers to U.S. health regulators are meeting Tuesday to consider whether and how Covid-19 vaccines should be updated to better target circulating variants of the coronavirus, in preparation for a fall booster-shot campaign.
CDC Director Rochelle Walensky admitted Wednesday that the agency’s latest guidance on COVID was based on what the government perceived people would accept.
An Oxford University study published on Monday found that two-dose COVID-19 vaccines generate a lower antibody response against the omicron strain, suggesting that the variant could lead to more infections among the fully vaccinated and previously infected.
New data from South Africa and Europe hint that Omicron cases are poised to explode in the U.S., where the vast majority of the population isn't well protected against infection.
The new potentially more contagious omicron variant of the coronavirus popped up in more European countries on Saturday, just days after being identified in South Africa, leaving governments around the world scrambling to stop the spread.
