We could stand to learn some lessons from our own immune systems about how we decide when to act and when to lay low.
The tests we have now tell us who is currently sick. We need to know who has already had COVID-19 and recovered.
How epidemiologists track the spread from bats to New Yorkers and beyond.
A new paper explains exactly what makes it different than other coronaviruses and how we know that it wasn’t created in a lab.