The White House laid out a plan on Thursday for the United States to share 25 million surplus Covid-19 vaccine doses with the world and said it would lift some restrictions to allow other countries to more easily buy US-made supplies for vaccine production.

President Joe Biden said the United States would share the vaccines without expectation of political favours in return. He has pledged to share some 80 million Covid-19 vaccines internationally this month.

The United States will donate nearly 19 million doses through the Covax international vaccine-sharing programme, Biden said in a statement. Through Covax, some six million doses would go to Latin America and the Caribbean, about seven million doses to South and Southeast Asia and roughly five million to Africa...