Some researchers worry the drug may create more contagious or health-threatening variations of Covid, which has killed more than 6.8 million people globally over the past three years.
Merck & Co.’s Covid-19 pill is giving rise to new mutations of the virus in some patients, according to a study that underscores the risk of trying to intentionally alter the pathogen’s genetic code. Some researchers worry the drug may create more contagious or health-threatening variations of Covid, which has…
The U.S. government anticipates that it will stop purchasing and providing COVID-19 shots as soon as January due to a lack of funds, leaving Americans to obtain vaccines through insurers or pay for them out-of-pocket.
Paxlovid failed to meet its primary goal of significantly reducing the risk of COVID-19 infection in adults exposed to the virus through a household contact, Pfizer said in a statement Friday.