Biden pledges new vaccine donations in bid to rally global pandemic fight

President Joe Biden will push world leaders tomorrow to do more to curb the Covid-19 pandemic, and announce a US pledge to buy 500 million more vaccine doses to donate to other countries.

Holding a virtual summit to boost global vaccination rates, Biden hopes to show he is leading by example with the pledge, which will bring US donations to the rest of the world up to more than 1.1 billion doses.

The vaccines from Pfizer Inc and BioNTech SE will be made in the United States and shipped to low and lower middle-income countries starting...