Travel health
Malaria
Malaria is a life-threatening disease caused by Plasmodium parasites, transmitted to humans through the bites of infected Anopheles mosquitoes. Vaccination, along with preventive measures, plays a crucial role in reducing the incidence of malaria.
Consult usOverview
Malaria is a serious and sometimes fatal disease caused by Plasmodium parasites, which are transmitted to humans through the bites of infected Anopheles mosquitoes. The disease is prevalent in tropical and subtropical regions, particularly in sub-Saharan Africa, Southeast Asia, and parts of South America. Symptoms typically appear 10 to 15 days after the infective mosquito bite and include fever, chills, headache, nausea, and muscle pain. Severe cases can lead to complications such as anemia, cerebral malaria, and death if not promptly treated.
Risk areas
Malaria is endemic in many tropical and subtropical regions. In sub-Saharan Africa, countries such as Nigeria, Democratic Republic of the Congo, and Uganda report high transmission rates. In Southeast Asia, nations including India, Myanmar, and Indonesia have significant malaria prevalence. Parts of South America, particularly the Amazon basin regions in Brazil, Peru, and Colombia, also experience malaria transmission. Travelers to these areas should be aware of the heightened risk.
Risk for travellers
Travelers to endemic regions are at risk of contracting malaria, especially if they engage in outdoor activities during evening and nighttime hours when Anopheles mosquitoes are most active. The risk is higher in rural areas, forests, and regions with poor healthcare infrastructure. Preventive measures include taking antimalarial medications as prescribed, using insect repellent, wearing protective clothing, and sleeping under insecticide-treated bed nets.
Signs & symptoms
Fever
Chills
Headache
Nausea
Vomiting
Muscle pain
Fatigue
Sweating
Learn more
Trusted resources
Authoritative guidance on Malaria from leading public health bodies.
Bite avoidance
Spread by mosquito bites
Malaria is carried by mosquitoes, so not getting bitten is a key part of your protection. See how 40–50% DEET, Parakito bands and simple habits keep them off you.
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