The present trend of malarial infection in Singapore.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D005006:Ethnicity; D005260:Female; D006801:Humans; D008288:Malaria / Q000453:epidemiology*; D008297:Male; D009790:Occupations; D012111:Residence Characteristics; D012737:Sex Factors; D012846:Singapore; D014195:Travel