Stomach Bug Map 2024. Recorded norovirus cases for this time of year are at their highest level in five years, according to data published by the uk health security agency (ukhsa). The majority of outbreaks were reported.
Gastroenteritis can be caused by viruses, most commonly norovirus, bacteria and parasites. Norovirus, more commonly known as the stomach bug or winter vomiting illness, is an extremely contagious virus that causes vomiting and diarrhea.