Iowa study: 82.5% of deer tested positive for COVID-19

When researchers in Iowa first began testing deer for COVID-19 in April of 2020, they didn’t find any signs of the virus for months. That changed in the fall when the first positives popped up in September and October.

NIH launches ‘When to Test’ for COVID-19 calculator

The calculator uses a mathematical model to determine a person’s relative risk of having or getting COVID-19 and the risk of spreading the virus to other people — and whether they should get tested.