Stroger Hospital

A toddler and his uncle were killed and a pregnant woman was wounded in Chicago on Tuesday when a gunman opened fire on their car as they drove through the city's West Side, in a shooting captured on Facebook Live.

Despite evidence that taking powerful anti-HIV drugs can help protect uninfected partners from contracting the virus that causes AIDS, the therapy is far from becoming routinely prescribed, scientists said on Monday.

A toddler and his uncle were killed and a pregnant woman was wounded in Chicago on Tuesday when a gunman opened fire on their car as they drove through the city's West Side, in a shooting captured on Facebook Live.

Despite evidence that taking powerful anti-HIV drugs can help protect uninfected partners from contracting the virus that causes AIDS, the therapy is far from becoming routinely prescribed, scientists said on Monday.