KJZZ is a service of Rio Salado College,
and Maricopa Community Colleges

Copyright © 2024 KJZZ/Rio Salado College/MCCCD
Play Live Radio
Next Up:
0:00 0:00
Available On Air Stations

The Necessity Of A COVID-19 Booster Shot Still Unknown

While COVID-19 vaccines are proven to be effective, it is still unclear if a booster shot will be needed after the initial doses. 

Dr. Shad Marvasti with the University of Arizona College of Medicine Phoenix says it depends on immunity response.

“We don’t know ultimately how long the immunity will last from the vaccine. We know that it’s going to be at least three months, if not, maybe six months, potentially up to a year," Marvasti said.

→  Q&AZ: What You Need To Know About Getting The Coronavirus Vaccine In Arizona

Other factors being taken into account are the effects of COVID-19 variants. 

Marvasti says Pfizer is already studying whether clinical trial participants may need booster shots since it's been months since they received vaccinations.

→  Get The Latest News On COVID-19 In Arizona 

Jill Ryan joined KJZZ in 2020 as a morning reporter, and she is currently a field correspondent and Morning Edition producer.