Cold & Flu Activity Report

for San Francisco, CA

National
Coronavirus Map

Click map to zoom in and explore regions, states and cities

Check flu levels in another city

Where is flu active today?

best cities

worst cities

Compare cold & flu levels in another city

Cold & Flu News

Dating Apps Linked to More Hookups That Risk College Students' Health

Falling Vaccination Rates Brings Spikes in Measles Worldwide

America's Epidemic of STDs May Finally Be Slowing

FDA Proposes Ban on a 'Useless' Decongestant, Phenylephrine

What You Need to Know About FluMist, the Nasal Flu Vaccine

CDC Lowers Age for First Pneumococcal Vaccine to 50

More News