Posts

Outbreak Outlook - Sep 20

Flu and Covid-19 activity are both still low nationally, with Covid-19 at or near peak in the South and West while the Midwest and Northeast tick up from very low baselines. Florida's locally acquired dengue count at 152, and a mumps outbreak among student athletes at San Diego State.

Sep 20, 2026 5 min read paid Featured

Outbreak Outlook - Sep 13

Covid-19 peaks; influenza activity low but stirring

Sep 13, 2026 5 min read paid Featured

Outbreak Outlook - Sep 6

Labor Day weekend updates on influenza, Covid-19, RSV, and norovirus.

Sep 6, 2026 4 min read paid Featured

Outbreak Outlook - Aug 30

Covid-19 activity continues to rise; vaccine now available. Also rabies at a petting zoo and measles deaths.

Aug 30, 2026 5 min read paid Featured

Guide to seasonal vaccinations for people who are immunocompromised

A guide to seasonal vaccines for people who are immunocompromised.

Aug 25, 2026 4 min read Featured

Outbreak Outlook - Aug 23

Covid-19 activity highest in the South and Hawaii. New post-exposure prophylaxis option for Covid-19 and new flu vaccine option come to market.

Aug 23, 2026 5 min read paid Featured

State of the newsletter

Reflecting on the fourth anniversary of Force of Infection

Aug 21, 2026 1 min read Featured

Outbreak Outlook - Aug 16

Covid-19 activity continues rising across the country with the South and West most heavily affected. Major recalls of iceberg lettuce, jalapenos, and shell eggs affect millions of consumers.

Aug 16, 2026 5 min read Featured

Outbreak Outlook - Aug 9

The summer Covid wave has arrived, cyclosporiasis cases have topped 10,000 with the first two deaths reported in Michigan, and the DRC's Ebola outbreak is spreading five times faster than any before it. Also jalapeño Salmonella, and flu stays quiet.