Wealthy nations will have 1.2 billion Covid-19 doses they don't need

Health advocates worry that the slow pace will prolong the pandemic and increase the risk more worrisome variants will emerge

Wealthy countries face mounting pressure to divert Covid vaccine supplies to lower-income regions, with a new analysis showing they’ll likely have about 1.2 billion extra doses available by the end of the year.
 

The U.S., Britain, European nations and others could satisfy their own needs -- vaccinating about 80% of their populations over the age of 12 and moving ahead with booster programs -- and still have large quantities to redistribute globally, according to London-based analytics firm Airfinity Ltd. 

Those governments have so far delivered a meager amount of the supplies they’ve pledged to poorer countries as some move forward with