A medical worker takes a sample from a patient inside a car at a special COVID-19 testing site in Boston, Saturday, March 28, 2020. The drive-thru testing site is only open to qualified first responders who meet the state criteria for testing. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Michael Dwyer)

March 28, 2020