1999•The Journal of Infectious DiseasesRequires access
Studies of Human Immunodeficiency Virus Type 1 Mucosal Viral Shedding and Transmission in Kenya
Julie Overbaugh, J Kreiss, Mary Poss, Paul F. Lewis, Sara B. Mostad, G.C. John, Ruth Nduati, Dorothy Mbori‐Ngacha, Harold L. Martin, Barbra A. Richardson, Stephanie Jackson, Joel R. Neilson, E. Michelle Long, Dana Panteleeff, M.J. Welch, Joel P. Rakwar, Denis J. Jackson, Bhavna Chohan, Ludo Lavreys, K Mandaliya, Jeckoniah Ndinya‐Achola, Job J. Bwayo
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Abstract
If human immunodeficiency virus type 1 (HIV-1) vaccines are to be highly effective, it is essential to understand the virologic factors that contribute to HIV-1 transmission. It is likely that transmission is determined, in part, by the genotype or phenotype (or both) of infectious virus present in the index case, which in turn will influence the quantity of virus that may be exchanged during sexual contact. Transmission may also depend on the fitness of the virus for replication in the exposed individual, which may be influenced by whether a virus encounters a target cell that is susceptible to infection by that specific variant. Of interest, our data suggest that the complexity of the virus that is transmitted may be different in female and male sexual exposures.