2nd dose: COVIV only

2 trials

Sponsors

Shanghai Municipal Center for Disease Control and Prevention, Hubei Provincial Center for Disease Control and Prevention

Conditions

Influenza, Human, Pneumonia, Pneumococcal, Covid19Influenza, Pneumonia, Covid19

Phase 4

Canceled by the investigator Evaluation of Immunogenicity and Safety of Combined Immunization of COVIV and PPV23 / IIV4

ChiCTR2100046174

Shanghai Municipal Center for Disease Control and PreventionInfluenza, Human, Pneumonia, Pneumococcal, Covid19

Start: 2021-05-12Updated: 2022-01-24

A Randomized, Controlled, Multi-Center Clinical Study to Evaluate the Immunogenicity and Safety of Combined Immunization of Inactivated SARS-CoV-2 Vaccines (Vero Cell) (COVIV) and 23-valent Pneumococcal Polysaccharide Vaccine (PPV23) or Quadrivalent Inactivated Influenza Vaccine (IIV4)

RecruitingChiCTR2100046227

Hubei Provincial Center for Disease Control and PreventionInfluenza, Pneumonia, Covid19

Start: 2021-05-14Updated: 2021-12-21