Both H1N1 and COVID-19 spread across the U.S. faster and more unpredictably than early detection systems could keep up.

February 24, 2009 Patient zero is said to be a 6-month-old girl from northern Mexico, according to Celia Alpuche of the Institute of Epidemiological Diagnosis and Reference in Mexico City. (Cohen J.

President-elect Joe Biden named Ron Klain as his White House chief of staff on Wednesday – and the longtime Biden aide, who worked as an Obama administration Ebola response coordinator, is on record ...

October 7, 2009 — Seasonal influenza vaccine may help protect against novel pandemic influenza A (H1N1), according to the results of a frequency-matched, case-control study in Mexico City reported ...

The H1N1 influenza virus was discovered in the U.S. in the spring of 2009, and eventually spread around the world. It was initially called " swine flu," because it carried genes similar to influenza ...

Nineteen-year-old U.S. Army Pvt. David Lewis set out from Fort Dix on a 50-mile hike with his unit on Feb. 5, 1976. On that bitter cold day, he collapsed and died. Autopsy specimens unexpectedly ...

With the return of pumpkin spice lattes and cooler temperatures comes another annual rite of passage: flu season. It's hard to predict just how hard the influenza will strike Michiganders this year, ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. As the coronavirus threat has escalated in recent weeks, ...

Could your previous flu infection protect you from bird flu? Scientists find that immunity to 2009 H1N1 slashes the risk of severe H5N1 illness, even after close contact exposure. Study: Preexisting ...