Lung Function, Exercise Capacity, and Serology Responses in Patients With COVID-19

RecruitingOBSERVATIONAL
Enrollment

700

Participants

Timeline

Start Date

May 22, 2020

Primary Completion Date

August 18, 2025

Study Completion Date

February 17, 2026

Conditions
Lung FunctionExercise CapacityQuality of LifeCovid19
Interventions
BIOLOGICAL

third dose vaccination with CoronaVac vaccine

Healthy individuals with low antibody levels after 2 doses of CoronaVac vaccine to receive one additional dose of CoronaVac vaccine

BIOLOGICAL

third dose vaccination with BionTech vaccine

Healthy individuals with low antibody levels after 2 doses of CoronaVac vaccine to receive one additional dose of BionTech vaccine

BIOLOGICAL

Vaccination with Coronavac vaccine

Healthy individuals to receive Coronavac vaccine 2 doses, 21 days apart

BIOLOGICAL

Vaccination with BionTech Vaccine

Healthy individuals to receive BionTech vaccine 2 doses, 21 days apart

Trial Locations (1)

Unknown

RECRUITING

Prince of Wales Hospital, Hong Kong

All Listed Sponsors
collaborator

The University of Hong Kong

OTHER

collaborator

Health and Medical Research Fund

OTHER_GOV

lead

Chinese University of Hong Kong

OTHER