Pfizer COVID-19 vaccine reduces asymptomatic infection by 94%, data suggests

Together with the Israel Ministry of Health, Pfizer and BioNTech announced “real-world evidence” they say demonstrates that their COVID-19 vaccine “dramatically” lowers rates of the coronavirus in inoculated individuals. In…

More than half of coronavirus cases spread by asymptomatic carriers, CDC model shows

A new model from the Centers for Disease Control and Prevention shows that those who are infected with but show no signs of COVID-19 account for more than half of…