The future of HIV treatment might not involve pills

HIV TREATMENTS HAVE COME A LONG WAY IN the more than 30 years since the virus was first identified. Powerful antiretroviral drugs (ARVs) can now keep the virus controlled at levels that current tests cannot detect in the blood. Perhaps just as important, people who take these drugs diligently soon after they’re infected are unlikely to pass the virus to others. But the treatment isn’t perfect. Those with HIV need to take a pill every day for the rest of their lives,