dTap Booster Vaccination for Health Care Workers

We are studying the immune response of health care workers to a dTap booster vaccine for pertussis, diphtheria, and tetanus. This helps us understand how well the vaccine boosts their immunity.

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Triaxis

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Aluminium Phosphate
Aluminium phosphate is a substance used in vaccines to boost the body's immune response and help improve protection.
Diphtheria Toxoid
Diphtheria toxoid is a substance that helps the immune system build protection against diphtheria.
Pertussis Filamentous Haemagglutinin
Pertussis filamentous haemagglutinin is a vaccine component that helps the immune system recognize and build protection against whooping cough.

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Adacel
Adacel Polio
Aдасел

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

Loading map...
Varsinais-Suomen hyvinvointialue
Paediatrics and Adolescent Medicine
Turku, Finland
Sponsor: Varsinais-Suomen hyvinvointialue
Last updated: Nov 26, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.