In April 2022, Dr. Beth Bell, a clinical professor at the University of Washington’s Department of Global Health, told a reporter that she was worried that Americans were getting tired of having to receive multiple COVID-19 vaccines.
“I’m very concerned about booster fatigue,” Bell, who is an advisor to the CDC, admitted in that interview with the Associated Press. 
However, because COVID-19 vaccine-acquired immunity has been shown to wane over time and humans historically tend to get sicker with respiratory infections during the winter months, the FDA recently approved two new injections. 
The updated Moderna injection, Spikevax, targets the original strain of the COVID-19 vaccine and the Omicron BA.1 subvariant….