Coronavirus sweeping through massive US prison population

Protesters outside of Chicago City Hall calling for the release of prisoners from jails due to coronavirus

A massive wave of coronavirus infections is blasting through the world's largest prison population in the United States even as officials begin opening up their economies, saying the disease has plateaued.

One prison in Marion, Ohio has become the most intensely infected institution across the country, with more than 80 percent of its nearly 2,500 inmates, and 175 staff on top of that, testing positive for COVID-19.