COVID-19FDA OKs mixing COVID vaccines; backs Moderna, J&J boosters Associated Press, October 20, 2021
COVID-19White House details plans to vaccinate 28M children age 5-11 Associated Press, October 20, 2021
COVID-19US regulators give full approval to Pfizer COVID-19 vaccine Associated Press, August 23, 2021
US recommends 'pause' for Johnson & Johnson vaccine over clot reports Associated Press, April 13, 2021