Atlanta Mayor Keisha Lance Bottoms said Monday she has tested positive for the coronavirus.
Bottoms is one of the women presumptive Democratic presidential nominee Joe Biden is considering as a running mate.
She told MSNBC: "We've taken all of the precautions that you can possibly take. We wear masks. We're very thoughtful about washing our hands. I have no idea when and where we were exposed."
Coronavirus cases in the U.S. have been on the rise. According to Johns Hopkins University, more than 130,000 people have died from COVID-19 in the U.S. Nearly 3 million had tested positive in the U.S. as of Monday.
Contains footage from CNN.