COVID-19 Booster Vaccine

Study background

This is a research study looking for people over 18 years old to participate in a research study for a new mRNA COVID-19 vaccine looking to provide protection against COVID-19 infection. It is recommended that people receive booster vaccines to remain protected against the COVID-19 virus.


This study will evaluate whether this new COVID-19 booster vaccine will provide protection against COVID-19 infection. In the study, you will receive the new COVID-19 booster vaccine or another approved COVID-19 vaccine.

Study Details

The study will run over approximately a 6-month period and would require approximately 4 visits to the study site. Visits will range between 15 mins to 90 mins. Over the course of the study, we will check participant’s medical history, take blood samples and administer new COVID-19 Booster vaccine or a placebo. Participants will also be asked to record symptoms on an electronic diary for 7 days following the administration of the study vaccine.

You will be reimbursed for your time and involvement in the research study.

Eligibility criteria

  • Aged 18 years or over
  • Has received the Pfizer or Moderna COVID-19 vaccine as their most recent dose
  • Has not received a Covid-19 vaccine in the last 3 months
  • Has not had a positive COVID-19 test result in the last 3 months
  • Is not immunocompromised

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