HIV-positive boy can be barred from group karate lessons.
D017848:Blood-Borne Pathogens; D002648:Child; D006233:Persons with Disabilities / Q000331:legislation & jurisprudence*; D006679:HIV Seropositivity / Q000635:transmission*; D006801:Humans; D008297:Male; D016139:Martial Arts; D014768:Virginia