In a follow-up on the norovirus outbreak in Yolo County, California, Beth Gabor, County Public Information Officer told Outbreak News Today in an email that the case count is 2836, as of May 22.


This is an increase in more than 700 cases since late last week.

Two school districts have reported in excess of 900 cases each –Washington Unified School District (918) and Woodland Joint Unified School District (908).

UC Davis has seen 61 cases to date.

Norovirus is a highly contagious viral illness that often goes by other names, such as viral gastroenteritisstomach flu, and food poisoning.

The symptoms include nausea,vomiting, diarrhea, and some stomach cramping. Sometimes people additionally have a low-grade fever,chills,headache, muscle aches, and a general sense of tiredness. The illness often begins suddenly, and the infected person may feel very sick. In most people, the illness is self-limiting with symptoms lasting for about 1 or 2 days.

In general, children experience more vomiting than adults do.

Norovirus is spread person to person particularly in crowded, closed places. Norovirus is typically spread through contaminated food and water, touching surfaces or objects contaminated with norovirus and then putting your hand or fingers in your mouth and close contact with someone who is vomiting or has diarrhea.