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Pertussis, also known as "whooping cough", is a highly contagious respiratory disease (a disease of the breathing system). Pertussis, is caused by a bacterium (germ) called Bordetella pertussis. The bacteria enter the respiratory system and release substances that cause the airways to swell. These changes to the respiratory system result in coughing fits, with uncontrollable, violent coughing, which often makes it hard to breath.

Purpose of the study:

This study aims to evaluate the safety and the immunogenicity of the Tdap booster vaccine. "Safety" means the way the vaccine is tolerated. "Immunogenicity" means the ability of the vaccine to stimulate the body to make the immune system control the bacteria before it makes the person ill. The investigational Tdap booster vaccine will be compared to a Tdap vaccine licensed in Canada called Adacel^®. A licensed vaccine is one that a doctor can prescribe. The licensed vaccine Adacel^® protects against tetanus, diphtheria and pertussis diseases.

We are looking for young adults aged 19-21 years old to take part in this clinical research study. For more information, visit our website here:

Contact information: Cathy Brown
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ÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌýÌý Catherine.brown@iwk.nshealth.ca