The new Covid-19 vaccines from Pfizer and Moderna seem to be remarkably good at preventing serious illness. But it’s unclear how well they will curb the spread of the coronavirus.
Synonyms for “Pfizer”
Coronavirus
New York Times: Here’s why vaccinated people still need to wear a mask
Deputy charge nurse Katie McIntosh administers the first of two Pfizer/BioNTech Covid-19 vaccine jabs to Clinical Nurse Manager Fiona Churchill, at the Western General Hospital in Edinburgh, Scotland on Dec. 8, 2020.
