The poor (60% of deaths from malaria worldwide occur in the poorest 20% of the population, due to lack of access to effective treatment).
Young children and infants.
Pregnant women (especially primigravidae).
Unaware of malaria groups - people who do not recognize the symptoms.
(eg, travellers, foreign workers).
The risk of contracting malaria in travellers is proportional to the number of potentially infectious mosquito bites they receive.
Therefore, risk factors for malaria in travellers include: