Heroin epidemic pushing up hepatitis C infections in US

Hepatitus C

The heroin epidemic is driving up hepatitis C infections, with the biggest increase in people in their 20s, U.S. health officials said Thursday.

The number of new infections nearly tripled in five years, to about 2,400 in 2015. The virus is spread by sharing needles to inject drugs, and the increase coincided with a surge in heroin use.

But officials at the Centers for Disease Control and Prevention think the reported infections are only a fraction of the actual number. Most people don't get sick for many years, so they aren't tested and don't know they are infected. The CDC estimates that the number of infections in 2015 was 34,000, or twice as many as the estimate for...