Covid-19 vaccine booster effectiveness wanes after four months but still offers protection, study finds
Booster doses of the Pfizer/BioNTech and Moderna coronavirus vaccines are safe, and they offer high levels of protection against severe Covid-19 even though that...
FDA authorizes new Covid-19 monoclonal antibody that works against Omicron variant
The US Food and Drug Administration has authorized a new monoclonal antibody treatment that seems to work against the Omicron variant of the virus that causes...
The US still isn’t getting Covid-19 data right
As the Omicron wave recedes in the United States, public health officials are faced with a new round of decision-making on the best way...
Statewide mask mandates are disappearing, but should you continue to wear one anyway?
At this point in the coronavirus pandemic, local mask mandates are disappearing as quickly as toilet paper did from grocery stores shelves two years...
Covid-19 hospitalizations drop below 100,000 in the US, but heavy burden persists
Covid-19 hospitalizations are dropping quickly in the United States, but a heavy burden persists, and the nation's health care workers are exhausted under the...
