The group's co-founders believe the problem stems from needle exchange programs that are giving away needles instead of requiring an exchange.

Biofilms, ubiquitous bacterial communities embedded in a slimy matrix, are the oldest form of multicellularity on Earth; they ...

not be known to be living with human immunodeficiency virus infection, and not have contraindications to the antimicrobial agents. Male partners were recruited in accordance with the trial protocol 29 ...

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