About me: In The Face Of Omicron Wave, Public Health
Officials Seek To Optimize Timing Of Covid-19
Vaccine Boosters
Kyna Bigornia receives her Pfizer Covid-19 booster
injection at a vaccination site in Liberty ... [+]
Shopping Centre, Romford, East London, as the U.K.
government accelerates the booster program to help
slow down the spread of the new Omicron variant.
Picture date: Thursday December 2, 2021. (Photo by
Yui Mok/PA Images via Getty Images)
PA Images via Getty Images
In the face of a surge of Covid-19
