What is norovirus?

Norovirus is a very contagious virus that causes vomiting and diarrhea.

It is sometimes called the "stomach flu" or the "stomach bug."

How is it spread?

Norovirus can spread through contaminated food when A carrier with norovirus touches food with their bare hands.

Signs and Symptoms? 

Global?

1968 — First Major Outbreak - in a middle school in ohio

1972 — Viral Discovery - Researchers used immune electron microscopy to visualize the virus for the first time

1990s — Genetic Classification - identifying it as a non-enveloped RNA virus

Current or past public health measures?

Public health measures for Norovirus focus on environmental control, personal hygiene, and outbreak surveillance. 

sources: https://www.cdc.gov/norovirus/causes/index.html

https://www.mayoclinic.org/diseases-conditions/norovirus/diagnosis-treatment/drc-20355302

https://www.cdc.gov/norovirus/about/index.html

https://www.medicalnewstoday.com/articles/179107#what-is-norovirus