Flu Day 0 Day 0 is the stage when you get the virus. Infection occurs when a person with flu coughs, sneezes, or talks, propelling tiny droplets into the air that are breathed into your mouth or nose.

The phase three study data clears the path forward for Moderna’s combination jab targeting Covid-19 and influenza.

Moderna Inc. said Monday its experimental flu shot showed positive results in a late-stage trial.   In a Phase 3 study, the ...

Moderna’s mRNA flu shot outperforms existing vaccines in Phase 3 trial, showing over 26% greater efficacy—paving the way for ...

The five stages of infection are incubation, prodromal, illness, decline, and convalescence. Find out more here. ... For example, the flu has a short incubation period of about 2 days.

The stages of the stomach flu may vary in intensity and duration depending on factors like your overall health status, ongoing hydration efforts, and the virus that caused the symptoms.