[The Conversation Africa] Malawi is facing its worst cholera outbreak in two decades. The outbreak started early in 2022 and has, so far, resulted in over 18,000 cases and the loss of 750 lives. It's also forced the closure of schools and many businesses. Microbiologist Sam Kariuki, who is the director of Kenya's Medical Research Institute, explains what cholera is and why it's so hard to control in Africa.
