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Malaria (Statistics Malaria_occurrence_EQUIP_ILL_EN (In 2017, there were…
Malaria
Symptoms 
Malaria is an acute febrile illness. In a non-immune individual, symptoms usually appear 10–15 days after the infective mosquito bite.
Children may develop: severe anaemia, respiratory distress in relation to metabolic acidosis, or cerebral malaria
In adults, multi-organ failure is also frequent.
Transmission
Malaria is a life-threatening disease caused by parasites that are transmitted to people through the bites of infected female Anopheles mosquitoes.
The mosquitoes are not born with malaria, they get it by biting someone who is infected.
The ideal conditions for the development of the Anopheles are those of Equatorial weather: humid, with high temperatures and frequent rains.
Prevention and treatment
Two forms of vector control – insecticide-treated mosquito nets and indoor residual spraying – are effective in a wide range of circumstances.
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Statistics
In 2017, there were an estimated 219 million cases of malaria in 87 countries, with about 435000 deaths.
In 2017, the WHO African region was home to 92% of malaria cases and 93% of malaria deaths.
Children under 5 years of age, pregnant women and patients with HIV/AIDS, as well as non-immune migrants, mobile populations and travellers are more likely to contract malaria.
In 2017, Brazil registered almost 200.000 cases of malaria, with over 99% of them being in the Amazonic region.
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At the World Health Assembly in May 2015, WHO launched the Strategy for malaria elimination in the greater mekong subregion (2015–2030).