AstraZeneca’s COVID-19 vaccine that it is not using to Mexico and Canada in loan deals with the two countries, an administration official told Reuters on Thursday.Mexico will receive 2.5 million does of the vaccine and Canada will receive 1.5 million doses, the official said.“This virus has no borders,” the official told Reuters on condition of anonymity. “We only put the virus behind us if we’re helping our global partners.” All Canadians could get 1 dose of COVID-19 vaccine by summer — if all goes well The Biden administration has come under pressure from allies worldwide to share vaccine, particularly from AstraZeneca, which is authorized for use in other countries but not yet in the United States.AstraZeneca has millions of doses made.