Dr. Mona Hanna-Attisha has COVID-19, urges survivors to help others

Michigan State University Dr. Mona Hanna-Attisha announced Thursday on Twitter that she has COVID-19 —  and took the opportunity to encourage those who have recovered from the virus to potentially help others.

"I tested positive. I'm doing fine," tweeted Hanna-Attisha, a pediatrician who helped uncover the Flint water crisis.