Why are so many vaccinated people getting COVID-19 lately?

People might mistakenly think the COVID-19 vaccines will completely block infection, but the shots are mainly designed to prevent severe illness, says Louis Mansky, a virus researcher at the University of Minnesota.

Do at-home COVID-19 tests detect the omicron variant?

Government scientists have been checking to make sure rapid tests still work as each new variant comes along. This week, the FDA said preliminary research indicates they detect omicron, but may have reduced sensitivity.