Stomach Bug 2025 South Africa 2025. South africa is currently experiencing the annual influenza (flu) season which started in the week of 22 april 2025, and a number of flu strains are circulating. A nasty case of gastro has, apparently, been spreading across the city of cape town over the past few weeks.
During the same period last seasonal year,. Gastroentiritis, more commonly know as a stomach bug or gastro, always seems to be doing the rounds.