US boosting vaccine deliveries in ‘wartime effort’ amid complaints of shortages

A closed vaccine hub in New York (Kathy Willens/AP)

President Joe Biden has announced that the US is ramping up coronavirus vaccine deliveries to hard-pressed states over the next three weeks and expects to provide enough doses to vaccinate 300 million Americans by the end of the summer or early autumn.

The move comes amid growing frustration over vaccine shortages.