Biden to boost world vaccine sharing commitment to 80 million doses

US President Joe Biden (AP/Evan Vucci)

President Joe Biden will announce that the US will share an additional 20 million doses of Covid-19 vaccines with the world in the coming six weeks, the White House said.

The doses would come from existing US production of Pfizer, Moderna or Johnson & Johnson vaccine stocks, according to White House press secretary Jen Psaki, who said more details would be released in the coming days.