Just breathing or talking may be enough to spread COVID-19 is from Experts The coronavirus that causes COVID-19 may spread through the air in tiny particles that infected people exhale during normal breathing and speech. "I'm not going to wear a surgical mask, because clinicians need those," said Fineberg, former dean of the Harvard School of Public Health. "But I have a nice western-style bandana I might wear. Or I have a balaclava. I have some pretty nice options." Dr. Anthony Fauci, a key member of the White House's coronavirus task force, told CNN Tuesday that the idea of recommending broad use of masks in the US to prevent the spread of coronavirus is under "very active discussion" by the group. Fineberg, chair of the NAS' Standing Committee on Emerging Infectious Diseases and 21st Century Health Threats, said his letter was sent Wednesday evening in response to a query from Kelvin Droegemeier with the Office of Science and Tech...