Wealthy nations have contracted for much of the expected pandemic vaccine production, leaving little for poorer countries. But while Canada and some European nations will use vaccines containing adjuvants, American officials have decided against it for now. They say that they have enough vaccine and that the safety of the additives has not been proved.
Benefit and Doubt in Vaccine Additive
The U.S. government has given an ultimatum to the international group that helps provide vaccines to...
