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SWITCH ON: Analysing the immunogenicity of additional booster vaccinations in healthcare workers.

Project summary

Is it advisable to start boosting the healthy population in the fall? In the SWITCH ON study, the research team aims to answer this question by answering two sub-questions:

  1. Is there a difference in antibody levels measured on the day of booster vaccination versus 28 days after boost between health care workers (HCW) who were initially vaccinated with the Janssen vaccine or an mRNA vaccine?
  2.  Does a rapid secondary immune response occur after booster vaccination indicating the presence of immunological memory?

More detailed information

Principal Investigator:

prof. dr. Hugo van der Kuy

Role Erasmus MC:




Project website:

Funding Agency: