Why Isn't There an AIDS Vaccine Yet?

An HIV "epidemic" fueled by needle-sharing opiate addicts has infected at least 72 people in one southern Indiana county as Gov. Mike Pence prepares to declare a public health emergency in that community, Pence said Wednesday evening. (read more here >>) NBC News

The outbreak's swift acceleration in Scott County — beginning with seven known HIV-positive patients in January — has prompted the Centers for Disease Control and Prevention to deploy a team of investigators to test residents and to help control further spread of the virus.

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