A Trial Among HealthCare Workers (HCW) Vaccinated With Janssen Vaccine: the SWITCH Trial

Conditions

• Covid19

Interventions

• BIOLOGICAL: Vaccination once with Janssen vaccine (only priming)
• BIOLOGICAL: Vaccination with Janssen vaccine followed with Janssen vaccine (homologous boosting).
• BIOLOGICAL: Vaccination with Janssen vaccine followed with Moderna vaccine (heterologous boosting).
• BIOLOGICAL: Vaccination with Janssen vaccine followed with Pfizer vaccine (heterologous boosting).

Sponsor

Erasmus Medical Center

Collaborators

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