Mary O'Hara, NBC
Truvada, the other "little blue pill," is taken daily to prevent HIV and has been touted as a miracle drug responsible for lowering HIV rates across the United States. But soon, the daily pill may be overshadowed by an even simpler methoda single flu shot-like injection at the doctor's office, once every two months. The National Institutes of Health (NIH) announced last week that it was entering the first-ever global clinical trial of an injectable HIV-prevention drug called cabotegravir.