A pharmacist dilutes the Pfizer COVID-19 vaccine while preparing it to administer to staff and residents at the Goodwin House Bailey’s Crossroads, a senior living community in Falls Church, Virginia, on December 30, 2020.
New findings by scientists at the National Institutes of Health and their collaborators help explain why some people with COVID-19 develop severe disease. The findings also may provide the first molecular explanation for why more men than women die from COVID-19.
