Sources: US News
The United Kingdom signs an agreement with Pfizer to secure 35 million doses of the Pfizer-BioNTech COVID-19 vaccine due to be delivered in the second half of 2022 as the government focuses on a "future-proof vaccine programme" to prevent any virus variants that are resistant to the vaccine. 2021-08-23
Bennett also announces that he has spoken with Pfizer CEO Albert Bourla about swapping doses of the Pfizer COVID-19 vaccine to other countries. 2021-07-4
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
South Korea signs an agreement with Novavax and Pfizer to secure additional doses of the COVID-19 vaccine for 23 million people in the second quarter of this year. 2021-02-16
Pfizer says that they will supply 40 million doses of their vaccine to lower- and middle-income countries. 2021-01-22
Lebanon signs a deal to receive two million doses of the Pfizer-BioNTech vaccine. 2021-01-17
Singapore receives the Pfizer-BioNTech vaccine, becoming the first country in Asia to do so. 2020-12-21
Pfizer says that it will not seek emergency approval for its COVID-19 vaccine until after the upcoming election. 2020-10-16
Mexican Foreign Minister Marcelo Ebrard announces the country has signed agreements with AstraZeneca for 77.4 million, COVAX for 51.57 million, CanSino Biologics for 35 million, and Pfizer for 34.4 million vaccine doses, respectively. The vaccines by Pfizer, AstraZeneca, and the COVAX plan require two doses, whereas the CanSino product requires one dose. 2020-10-13
The government announces that they have signed a deal with Pfizer and BioNTech to purchase 1.5 million vaccine doses for 750,000 people in the country. 2020-10-11