All pre-exposure prophylaxis articles
- 
      
         News NewsStudy shows mucus contains molecules that block Salmonella infectionResearchers have identified mucins that defend against Salmonella and other bacteria that cause diarrhea. They now hope to mimic this defense system to create synthetic mucins that could help prevent or treat illness in soldiers or other people at risk of exposure to Salmonella. 
- 
      
         News NewsTrial of rectal microbicide for HIV prevention begins in USA clinical trial has launched to examine the safety and acceptability of a novel rectal HIV microbicide douche containing the antiretroviral drug tenofovir. 
- 
      
         News NewsPenile HIV infection is effectively prevented by antiretroviral treatmentResearchers have developed a new approach for the detailed evaluation of HIV infection throughout the entire male genital tract. 
