Overall US COVID-19 Vaccine Distribution and Administration Update as of Thu, 22 Apr 2021 06:00:00 EST

Published on April 22, 2021

Total Doses Distributed = 282,183,915. Total Doses Administered = 218,947,643. Number of People Receiving 1 or More Doses = 135,791,031. Number of People Fully Vaccinated = 89,245,776.

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Overall US COVID-19 Vaccine Distribution and Administration Update as of Wed, 21 Apr 2021 06:00:00 EST

April 21, 2021
Total Doses Distributed = 277,938,875. Total Doses Administered = 215,951,909. Number of People Receiving 1 or More Doses = 134,445,595. Number of People Fully Vaccinated = 87,592,646.

Laboratory Modeling of SARS-CoV-2 Exposure Reduction Through Physically Distanced Seating in Aircraft Cabins Using Bacteriophage Aerosol - November 2020

April 22, 2021
Based on laboratory scenarios, COVID-19 exposures were reduced by 23% to 57% in single-aisle and twin-aisle aircraft when the middle seat was kept vacant, compared with full aircraft occupancy.