660
Participants
Start Date
November 20, 2024
Primary Completion Date
March 31, 2027
Study Completion Date
March 31, 2027
Inactivated influenza vaccine (IIV) at baseline
National Advisory Committee on Immunization (NACI) recommended seasonal inactivated influenza vaccine for moderate to severely immunocompromised patients by age at baseline
COVID-19 Vaccines at a 3-month interval
Updated NACI recommended COVID-19 booster for moderate to severely immunocompromised patients at a 3-month interval
Inactivated influenza vaccine at Month 1
National Advisory Committee on Immunization (NACI) recommended seasonal inactivated influenza vaccine for moderate to severely immunocompromised patients by age 1-month following initial COVID-19 booster
COVID-19 Vaccines at a 6-month interval
Updated NACI recommended COVID-19 booster for moderate to severely immunocompromised patients at a 6-month interval
RECRUITING
Research Institute of McGill University Health Centre, Montreal
NOT_YET_RECRUITING
Research Institute of McGill University Health Centre, Montreal
Centre hospitalier de l'Université de Montréal (CHUM)
OTHER
McGill University Health Centre/Research Institute of the McGill University Health Centre
OTHER