Body blow for HIV vaccine

2019-03-07 06:09:14

By Michael Day TWO-AND-HALF years ago, one 38-year-old gay Canadian man with HIV might have considered himself relatively fortunate. The strain that had infected him was a mild one and, eight years after infection, without drug treatment, his immune system was still in good order. Then he met someone and began a promising relationship. But almost immediately his condition deteriorated—and fast. In just six months, the number of CD4 white blood cells in his circulation halved. Levels of HIV in his blood rose fivefold. And worse,