Amid concerns about a possible COVID-19 surge in the winter, the US Centers for Disease Control and Prevention may roll out seasonal COVID vaccine boosters.

Over one-third of the population in the US is fully vaccinated against COVID-19; however, it is way short of the 70% to 85% benchmark that needs to be immune, either through vaccination or previous infection, in order to control the spread of the virus. Additionally, variants have been spreading. Researchers at the CDC are therefore evaluating if a booster dose specific to variants that are already circulating in the US will be needed and whether protection from the virus fades over time. If the nation does need booster doses, officials have processes in place to roll them out… (CNN, May 8, 2021)