The United States is holding firm to the strategy to administer two doses of the Moderna and Pfizer/BioNTech Covid-19 vaccines a few weeks apart. Still, the idea of expanding the supply by dispensing only one dose hasn't faded away.
Credit: APU GOMES/AFP/AFP via Getty Images
Stories this photo appears in:
Two doses of Pfizer and Moderna's Covid-19 vaccine are necessary, officials say, but questions still linger
The United States is holding firm to the strategy to administer two doses of the Moderna and Pfizer/BioNTech Covid-19 vaccines a few weeks apart. Still, the idea of expanding the supply by dispensing only one dose hasn't faded away.
