Timing and type of a COVID-19 booster depends on which primary series you received, which the CDC outlined here.

Please note: If you have a known COVID-19 infection, you should defer your booster shot at least until you have recovered (if symptoms were present) and have met the criteria to end your isolation.

Which primary series COVID-19 vaccine did you receive? When can you receive your COVID-19 booster? What type of COVID-19 booster should you get?
Pfizer 5 months after you finished your primary series Pfizer or Moderna recommended, J&J ok in some situations
Moderna 5 months after you finished your primary series Pfizer or Moderna recommended, J&J ok in some situations
Janssen (Johnson & Johnson) 2 months after you finished your primary series Pfizer or Moderna recommended, J&J ok in some situations
Pfizer/Moderna 5 months after you finished your primary series Pfizer or Moderna recommended, J&J ok in some situations
WHO-authorized series 5 months after you finished your primary series Pfizer
WHO-authorized mix and match series 5 months after you finished your primary series Pfizer

Boosters shot need to be received within 30 days of eligibility to meet the university requirements.

Reminder: Bring your COVID-19 vaccination card to your booster shot appointment so your provider can fill in the information about your booster dose.