Stomach Flu 2024 Canada. Symptoms include upset stomach and vomiting, followed by cramping, chills, fever and. The public health agency of canada (phac) collaborated with provincial public health partners, the canadian food inspection agency (cfia) and health.

Most people feel better within 2 to 3 days. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or.