Published in Medical Letter on the CDC and FDA, August 10th, 2003
"Human immunodeficiency virus (HIV) type 1 subtype B sequences (whole envelope and the p17 region of gag) were obtained from peripheral blood mononuclear cell samples collected in 1981 from seven HIV-infected U.S. individuals and in 1982 from one infected Canadian resident," scientists in the United States, Belgium, and England report.
"Phylogenetic and nucleotide distance analyses were performed by using database sequences representing North American strains collected from 1978 to 1995," stated Kenneth E. Robbins and collaborators at the Centers...
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