Stomach Flu Outbreak 2024. While covid cases continue to drop in the u.s., outbreaks of another virus — stomach flu — are ramping up, the centers for disease control and prevention says. Norovirus, more commonly known as the stomach bug or winter vomiting illness, is an extremely contagious virus that causes vomiting and diarrhea.
Cases of norovirus, aka the stomach flu, continue to climb across the u.s. As we enter spring, cases of norovirus are beginning to rise, including an outbreak on a cruise ship.