gregg gonsalves Experts Say Two Million People Per Week Must Be Tested Before Reopening By Lea Ceasrine & Rose Aguilar • Apr 28, 2020 Centers for Disease Control Listen Listening... / 53:01 Your Call 4/28/20 On this edition of Your Call, we're speaking with epidemiologist Gregg Gonsalves about the current status of testing for COVID-19 across the US.