Many Americans still paying high costs months after insurers were ordered to cover *** preventive care

Anthony Cantu, 31, counsels patients at a San Antonio health clinic about a daily pill shown to prevent HIV infection. Last summer, he started taking the medication himself, an approach called preexposure prophylaxis, better known as PrEP. The regimen requires laboratory tests every three months to ensure the powerful drug does not harm his kidneys and that he remains HIV-free.