Peru.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology; D003710:Demography; D004813:Epidemiology / Q000706:statistics & numerical data*; D005260:Female; D006291:Health Policy; D006296:Health Services; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010568:Peru / Q000453:epidemiology