With the delta variant threatening efforts to end the pandemic, a growing number of wealthy countries are planning or considering administering booster shots of Covid-19 vaccines, at least to particularly vulnerable groups.
By Robert Langreth | Bloomberg, Washington Post: Business
Fri, 09/24/2021 - 12:57am
With the delta variant threatening efforts to end the pandemic, a growing number of wealthy countries are planning or considering administering booster shots of Covid-19 vaccines, at least to particularly vulnerable groups.