Biden Team to Buy 200 Million More Doses, Speed Up Vaccinations

President Joe Biden said his administration intends to order 100 million more doses each of Pfizer Inc. and Moderna Inc.’s coronavirus vaccines, and at least temporarily speed up shipments to states to about 10 million doses a week.

The new purchases would increase total U.S. orders for the two approved vaccines by 50%, to about 600 million shots, according to a senior administration official -- a supply that it expects to have available by the end of the summer, and which would be enough for 300 million people.

Delivering a minimum 10 million doses to states would represent about ...