clock with `prep` pre-exposure prophylaxis. used to prevent hiv on yellow background.

acquired aids alternative antibody antiviral background bad bisexual bisexuality blood blue cap capsule care celibacy choice clock contamination copy danger dark deficiency disease document dosage dose drugs exposure fingers glove gloved hand health healthy hiv human immune infected infection lab laboratory lentivirus medical medicament medicine negative pharmacy positive preexposure prep prescription prevent prophylaxis space treatment used white yellow young