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Pfizer and BioNTech say that their COVID-19 vaccine is 80% effective in young children.
2022-05-23

BioNTech CEO Uğur Şahin and Pfizer CEO Albert Bourla both say that their vaccine is likely to be effective against severe disease resulting from the Omicron variant.
2021-11-30

Pfizer says that their vaccine candidate is effective for children between the ages of 5 and 11 years.
2021-09-20

The Biden administration announces that the United States has purchased 200 million extra doses of the vaccine developed by Pfizer and BioNTech, including doses intended for children under the age of 12 years old.
2021-07-23

A study from the Public Health England shows that the vaccine developed by Pfizer is 96% effective against hospitalizations from the Delta variant, while the AstraZeneca–Oxford vaccine is 92% effective.
2021-06-14

Massachusetts Governor Charlie Baker receives his second dose of the COVID-19 vaccine.
2021-04-27

South Africa signs a deal with Pfizer to supply 20 million doses of the Pfizer–BioNTech vaccine. The first shipment is expected to arrive in late April.
2021-04-6

Lebanon signs a deal to receive two million doses of the Pfizer-BioNTech vaccine.
2021-01-17

King Salman receives the first dose of Pfizer's vaccine in Neom.
2021-01-8

Governor Charlie Baker orders all businesses and organizations not providing essential services to close until April 7, effective at noon on Tuesday. Baker states that he is not issuing a stay-at-home order, saying it "doesn't make sense from a public health point of view", but has directed the Massachusetts Department of Public Health to issue a stay-at-home advisory, limiting public gatherings to 10 people or less.
2020-03-23