It particularly affects the most vulnerable: children of 5 years of age and under, who account for more than 90 per cent of all deaths from malaria; pregnant women; and people infected with HIV/AIDS.
疟疾对最脆弱人群的影响尤其严重：五岁和五岁以下儿童(占死于疟疾人数的90％以上）；孕妇；艾滋病毒/艾滋病感染者。