The observed or calculated probability of the occurrence of an event, Xâe.g., toxic exposure, infection, etc.âin a population relative to its exposure to a specific hazard or pathogen. Absolute risk is risk stated without any context whatsoever.
Malaria is a serious infection. It is common in tropical countries such as parts of Africa, Asia and South America. Malaria is a disease caused by a parasite called Plasmodium that lives in mosquitoes.
Also, anyone travelling to Kenya should keep in mind that in Kenya, malaria is widespread. Some regions of Kenya are safer, in particular those in high altitude (above 2,500 metres), as well as the area around Nairobi. The illness is less common in Northern Africa, which is marked as a low risk region.