More than 100 people in southeastern Indiana have tested positive for HIV in an outbreak linked to the sharing of intravenous needles, and officials said Friday they’re trying to combat unfounded fears among drug users that they could be arrested if they take part in a needle-exchange program created to stem the spread of the virus. The state’s Joint Information Center said there had been 95 confirmed HIV cases and 11 preliminary positive cases tied to the outbreak as of Thursday. That’s up from last week’s 84 confirmed HIV cases and five preliminary positive cases. […] Indiana’s largest-ever HIV outbreak...