Stomach Bug 2024 South Africa Today. Norovirus is a leading cause of acute gastroenteritis, or an inflammation of the lining of the stomach and intestines, per the cdc. It is usually due to a.

Two sa provinces are experiencing a typhoid fever outbreak, the nicd said this week. It can cause nausea, diarrhea, abdominal cramps, loss of appetite, muscle pain and a mild fever.