Acquired+Immune+Deficiency+Syndrome
131Men who have sex with men — (abbreviated as MSM, also known as males who have sex with males) are male persons who engage in sexual activity with members of the same sex, regardless of how they identify themselves; many men choose not to (or cannot for other reasons) accept …
132virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA …
