According to the press release from the  president of united states, Joe Biden  The United States plans to send roughly 4 million doses of AstraZeneca’s (AZN.L) COVID-19 vaccine that it is not using to Mexico and Canada in loan deals with the two countries, yielding to requests to share vaccines with allies.

Mexico will receive 2.5 million doses of the vaccine and Canada is to receive 1.5 million doses, White House spokeswoman Jen Psaki said.

The United States has pledged $4 billion to the global COVAX vaccine program that aims to deliver coronavirus vaccines to poor countries.

The United States does not need the AstraZeneca shots to meet its target of having enough doses for all U.S. adults by the end of May.

The three authorized vaccine makers – Pfizer Inc (PFE.N) /BioNTech SE (22UAy.DE) , Moderna Inc (MRNA.O) , and Johnson & Johnson (JNJ.N) – have promised to deliver nearly 500 million doses to the United States by then.