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Call for Research Participants: Dr. Dawn Bowdish’s Lab


Are you a man over 40 years old? Would you like to take part in a research study out of McMaster University?

The Bowdish lab is studying how age-related changes in immune responses alter the microbes that live in our nose and mouth (the “microbiome”) and whether this could explain why some older adults get more respiratory infections such as colds, the flu, and pneumonia. Participants will be asked to come to McMaster to give a small blood sample, a saliva sample and a nasal swab twice and to record any infections they get over cold and flu season.

For more information, please call 905 525-9140 extension 21551 or email Dr. Dawn Bowdish at or Mohammad Malik at