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The US CDC said on the 13th that people who have been fully vaccinated do not need to wear masks outdoors, and do not need to wear masks in most indoor situations.
COVID-19 spreads from person to person mainly through respiratory droplets.
COVID-19
President Biden did not wear a mask when he gave a speech at the White House that day.
"If you are fully vaccinated, you can take off the mask, and you will fight for the right to greet others with a smile," a smile flashed across Biden's face as he spoke.
CDC Director Rochelle Walensky said, "We are all eager to return to a certain normal state at this moment.
The new guidelines are based on the sharp reduction in the number of new crown cases, the expansion of vaccination to younger people, and the effect of vaccines on virus variants.
The new guidelines also said that the American people vaccinated may restart all travel activities, need not be isolated after travel abroad to return home, if ever closer asymptomatic COVID-19-positive infection who do not carry out virus detection.
infection
People who have received two doses of Moderna or Pfizer mRNA vaccine, or one dose of Johnson & Johnson vaccine are considered to be fully immunized.
People who have received two doses of Moderna or Pfizer mRNA vaccine, or one dose of Johnson & Johnson vaccine are considered to be fully immunized.
Adolescents between the ages of 12 and 15 are allowed to receive the Pfizer-BioNTech coronavirus vaccine from Thursday.
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