Gap between 2nd Covid jab and booster dose should be

A: As of September 2023, CDC recommends that all residents 6 months and older receive one dose of updated Pfizer-BioNTech

Fully Vaccinated and Up-to-Date on COVID-19 Vaccination Definitions ; Janssen 1 booster ≥ 2 months after the final dose in the primary series 2nd

2nd dose vaccine The maximum benefits would be achieved with a delay of at least 9 weeks from the recommended schedule for administering the second dose A DSD strategy with

covid vaccine 2nd dose Blockwise 2nd Dose Due list of Covid 19 Vaccination