Under a White House-brokered deal, Merck will help boost supplies of its rival Johnson & Johnson’s vaccine

The pharmaceutical giant Merck & Co will help manufacture the new Johnson & Johnson coronavirus vaccine under an unusual deal, brokered by the White House, that could substantially increase the supply of the new vaccine and ramp up the pace of vaccination just as worrisome new variants of the virus have been found in the United States.

The arrangement, first reported by The Washington Post on Tuesday, comes just days after the Food and Drug Administration granted emergency authorization to the Johnson & Johnson vaccine.

Twitter cracks down on COVID vaccine misinformation SAN FRANCISCO (AP) — Twitter says it has begun labeling tweets that include misleading information about COVID-19 vaccines and using a “strike system” to eventually remove accounts that repeatedly... AP NEWS

SAN FRANCISCO (AP) — Twitter says it has begun labeling tweets that include misleading information about COVID-19 vaccines and using a “strike system” to eventually remove accounts that repeatedly violate its rules.

Factbox: Latest on the worldwide spread of the coronavirus Johnson & Johnson's newly authorized vaccine has started shipping, while a highly transmissible variant of coronavirus first identified in the Brazilian city of Manaus has been detected in Britain for the first time. Reuters Staff U.S.

(Reuters) - World Bank President David Malpass urged countries to enter contracts for vaccines now so they could get delivery schedules, saying it was vital to get started in more countries and work through more channels.