People wait for COVID-19 vaccinations in their vehicles at the Fairplex fairgrounds in Pomona, Calif., last month. The White House announced on Friday that active duty military personnel will soon be deployed to assist at vaccination sites, starting this month in California.

People arrive in their vehicles to receive Covid-19 vaccines at the Fairplex in Pomona, California on January 22, 2021, one of five mass Covid-19 vaccine sites opened across Los Angeles County this week. – A severely limited supply of Covid-19 vaccines, which only recently became available to the population, could mean people won’t be fully inoculated until 2022 unless the supply of the vaccine increases. (Photo by Frederic J. BROWN / AFP) (Photo by FREDERIC J. BROWN/AFP via Getty Images)