President Joe Biden’s administration has confirmed it will be sending roughly four million of the country’s unused doses of AstraZeneca’s COVID-19 vaccine to Mexico and Canada. The plan comes as dozens of countries resumed its use of AstraZeneca vaccinations after having temporarily suspended the jabs following reports of mostly young patients suffering from severe clotting disorders and rare types of strokes shortly after receiving it. “We’re able to announce that we are lending a portion of our releasable AstraZeneca vaccines to Mexico and to Canada,” Jeffrey Zients, the White House co-ordinator for the COVID-19 response, announced on March 18. “This action will allow our neighbours to meet a critical vaccination need in their countries, providing more protection immediately across the North American continent.” AstraZeneca has not yet been authorized in the United States but has been authorized for emergency use by the World Health Organization (WHO). The vaccines are part of a stockpile of seven …