The US government has signed contracts with 5 different pharmaceutical companies for a total of more than 1 billion doses of vaccine.
US pharmaceutical companies Pfizer, Moderna and Johnson&Johnson have committed to provide 240 million doses of the new variant of Covid-19 vaccine by the end of March.
Attending a meeting of the US Congress Subcommittee on Energy and Trade, Pfizer and Moderna officials promised to make 220 million doses of the vaccine available by the end of March.
Johnson&Johnson, the manufacturer of the 3rd vaccine, which is expected to be approved by the US Food and Drug Administration (FDA) this week stated they will provide 20 million doses of vaccine in the first place, if the emergency use authorization is given.
Dr. Richard Nettles, Deputy Chairman of Johnson&Johnson, said to members of parliament: "We hope to contribute to ending this outbreak as soon as possible if the approval for emergency use is obtained this week."
Astra Zeneca manager also stated that they will be able to put 30 million doses of vaccine into use immediately if they get FDA authorization at the beginning of April, and this figure can be increased to 50 million by the end of the month.