Source: United States & Canada – South China Morning PostUS President Joe Biden is delaying a target date for overseas shipments of 80 million doses of coronavirus vaccines donated by the US, with logistical hurdles and millions of shots produced by AstraZeneca still in a safety review.Biden’s White House on Monday announced a list of countries that would receive 55 million doses, after previously detailing the first tranche of 25 million. In total, three-quarters of the 80 million will be sent through COVAX, a World Health Organization-backed…Read More