Publications by authors named "Dorothee Seifen"
Objective: To document infection with HIV type 1 (HIV-1) group M non-B subtypes in individuals living in New York City.
Design: From October 1999 through April 2003, HIV-1-seropositive individuals were selected from 3 clinics in New York City based on having risk factors for infection with HIV-1 non-B subtypes.
Methods: HIV-1 RNA was extracted from plasma samples, and partial gag, pol, or env genes were amplified by PCR analysis.