Heather Boerner is an award-winning journalist who specializes in storytelling on healthcare issues. She's most interested in how people choose between equally important needs.
Uncovering the female body's secret protection against HIV | PBS ...
“We have a pretty impressive protective barrier [in the vagina]."
How vaginal bacteria could be stoking HIV cases and blocking prevention
By some estimates, about 40 percent of HIV infections are associated with biological mechanisms — mechanisms that scientists are just beginning to unravel.