COVID-19 Booster Vaccines, Delta Variant, and the Fourth Wave

Get the latest guidance for COVID-19 in people affected by Crohn's or colitis. Experts provide recommendations on COVID-19 vaccine boosters, discuss the Delta COVID-19 variant and fourth wave, and review the latest research on antibody response post-vaccine in those with inflammatory bowel disease.

Featured Panelists

Dr. Abdu Sharkawy (MD, BMSc, FRCPC), Assistant Professor of Medicine, Department of Medicine, Division of Infectious Diseases, Toronto Western Hospital, University Health Network

Dr. Parakkal Deepak (MBBS, MSc, FACG), Assistant Professor of Medicine, Division of Gastroenterology, John T. Milliken Department of Medicine, Washington University School of Medicine


Dr. Gilaad Kaplan (MD, MPH, FRCPC), Professor of Medicine, Gastroenterologist and Epidemiologist, Departments of Medicine and Community Health Sciences, University of Calgary, Past Chair of the Scientific and Medical Advisory Council, Crohn's and Colitis Canada l Twitter: @gilkaplan

Dr. Eric Benchimol (MD, PhD, FRCPC), Professor, Pediatric Gastroenterologist, Department of Paediatrics, The Hospital for Sick Children (SickKids) and University of Toronto, Division of Gastroenterology, Hepatology and Nutrition, SickKids, NASPGHAN Canadian Councilor, Chair of the Scientific and Medical Advisory Council, Crohn's and Colitis Canada | Twitter: @ericbenchimol

  • Canada has among the highest incidence rates of Crohn's and colitis in the world.
  • 1 in 140 Canadians lives with Crohn’s or colitis.
  • Families new to Canada are developing these diseases for the first time.
  • Incidence of Crohn’s in Canadian kids under 10 has doubled since 1995.
  • People are most commonly diagnosed before age 30.