title: Primary human immunodeficiency virus type 1 infection may vary in time, place, and person.
authors.forename: C P
authors.initials: CP
authors.lastname: Hudson
authors.forename: P N
authors.initials: PN
authors.lastname: Levett
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D015497:HIV-1; D006801:Humans; D013997:Time Factors