This week, the CDC modified its definition of direct contact for COVID-19 from 15 continuous minutes to 15 accumulated minutes within a distance of six feet or less. Should we consider this change in definition as flip-flopping, "moving the goalposts,” or something else?
COVID-19 track and trace
While the White House struggles to track and trace those who had close contact with President Trump and infectious others in his entourage, India is reporting on the transmission dynamics of nearly 600,000 exposed individuals. Let's take a look at what's being learned within the world’s biggest democracy.