* Beijing, a city of 21 million, is closing all of its city schools.
* According to the CDC, 60 percent of the U.S. population have been infected with COVID-19. Nearly 75 percent of children had been infected.
* Political notables recently testing positive: VP Kamala Harris, Attorney General Merrick Garland, Secretary of Commerce Gina Raimondi, and Democratic Reps. Adam Schiff of California and Joaquin Castro of Texas.
* Moderna has asked the CDC to clear low-dose vaccine shots for children younger than 6.
* Total U.S. population that is fully vaccinated: 66 percent. Total Florida population that is fully vaccinated: 67 percent.
* Positivity: Florida-10.1 percent; Hillsborough County-6.6 percent.