Anti-HIV vaginal creams and gels can protect women from catching the virus, but they are notoriously messy and must be applied at least 20 minutes before sex. Now, scientists have created something much more practical: an anti-HIV “tampon.” Made of an extremely fine fabric interwoven with anti-HIV drugs called microbicides, the tampon dissolves within 6 minutes after insertion, creating an effective, accurate, and discreet barrier against HIV transmission, NPR reports.
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