Current Stomach Bug 2024. Norovirus is the most common cause of gastroenteritis worldwide. According to the oklahoma state department of health, symptoms of the norovirus can last one to three days and include:

It can be very unpleasant, but usually goes away in about 2 days. 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).