Call for joint sex education.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control* / Q000635:transmission; D002648:Child; D005260:Female; D006678:HIV; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D008297:Male; D012573:School Nursing; D012574:Schools; D012736:Sex Education