MIAMI, FLORIDA - JULY 23: A health care worker uses a picture to show a person how to use a nasal swab for a self administered test at the new federally funded COVID-19 testing site at the Miami-Dade County Auditorium on July 23, 2020 in Miami, Florida. U.S. Surgeon Jerome M. Adams visited the site, as the state of Florida experiences a spike in coronavirus cases, to encourage people to wear a mask and take other precautions to fight the pandemic. Joe Raedle/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==