👉 Malariasis is a disease that affects people who live in regions where water sources are contaminated with a deadly virus, such as the African horse fever (African trypanosomiasis). The disease can be transmitted from person to person through contact with infected individuals or animals. It's also called the tropical mosquito-borne disease because mosquitoes carry the virus and transmit it to humans. The symptoms of malariasis vary depending on the specific strain of the virus, but they typically include fever,