Dr. Har­vey Risch, pro­fes­sor of epi­demi­ol­o­gy at Yale School of Pub­lic Health and Yale School of Med­i­cine, sound­ed off on the COVID-19 vac­cine, whether chil­dren should get vac­ci­nat­ed, the government’s role in man­ag­ing the virus and more on a recent episode of “The Will Cain Podcast.”