Stomach Flu Symptoms 2024 Adults. Signs and symptoms of norovirus infection may start suddenly and include: A high fever in older children and adults is a temperature of 102.4 f or greater.
Norovirus, also called the winter vomiting bug, is a stomach bug that causes vomiting and diarrhoea. This article delves into the primary variances between stomach flu, scientifically known as viral gastroenteritis, and food poisoning, providing insights into their symptoms,.