KYIV, May 5 – Ukraine has signed a contract with U.S. pharmaceutical company Pfizer to supply an additional 10 million doses against coronavirus disease, Ukrainian Health Minister Maksym Stepanov has told President Volodymyr Zelensky.

"After lengthy and difficult negotiations with Pfizer, we have reached an agreement on the supply of an additional 10 million doses. We signed the contract this night. That is, in total, we will receive 20 million doses of Pfizer vaccine during this calendar year," Stepanov said.