8 things to know about Pfizer and the COVID-19 vaccine
Pfizer reported that the COVID-19 vaccine it is developing showed more than 90 percent effectiveness in late-stage trials. Here are 8 things to know about Pfizer and the vaccine. |…
Pfizer reported that the COVID-19 vaccine it is developing showed more than 90 percent effectiveness in late-stage trials. Here are 8 things to know about Pfizer and the vaccine. |…