No health worries for children born to mothers given seasonal flu vaccine in pregnancy
uOttawa/CHEO study finds no increased risk of early childhood health issues following exposure to seasonal flu vaccination during pregnancy
2021-06-09
(Press-News.org) A population-based study, published today in JAMA, has found flu vaccination during pregnancy does not lead to an increased risk of adverse early childhood health outcomes.
Although pregnant people are not more susceptible to acquiring influenza infection, they are at an increased risk of severe illness and complications if they get the flu during pregnancy. For this reason, all pregnant people are advised to receive a flu shot each year, yet only 36 percent received it according to a study monitoring four flu seasons in Nova Scotia. Safety concerns are reportedly a leading reason people may not receive influenza vaccination in pregnancy.
Dr. Deshayne Fell, an Associate Professor of Epidemiology in the Faculty of Medicine at uOttawa and a Scientist at the CHEO Research Institute, a pediatric healthcare and research centre, led the study along with researchers in Ontario and at Dalhousie University in Nova Scotia. The study followed over 28,000 children from birth up to an average age of 3 ½ years, with the results suggesting that maternal influenza vaccination during pregnancy was not associated with:
- Immune-related health conditions, such as asthma, ear infections or other types of infection.
- Non-immune-related health problems like neoplasms, sensory impairment.
- Nonspecific health needs such as Emergency Department visits and hospitalizations did not increase.
"This study adds to what we know from other recent studies showing no harmful effects of flu vaccination during pregnancy on the longer-term health of children," says Dr. Fell, whose other recent work includes studying the effectiveness and safety of COVID-19 vaccines during pregnancy. "This is important because we know that getting the flu shot during pregnancy not only protects the pregnant person, but has the added bonus of protecting newborn babies from getting the flu during their first few months of life, which is when they are most susceptible to respiratory infections but still too young to get the flu shot themselves."
The study, Association of Maternal Influenza Vaccination During Pregnancy with Early Childhood Health Outcomes, is published in JAMA.
INFORMATION:
About the University of Ottawa
The University of Ottawa is home to over 50,000 students, faculty and staff, who live, work and study in both French and English. Our campus is a crossroads of cultures and ideas, where bold minds come together to inspire game-changing ideas. We are one of Canada's top 10 research universities--our professors and researchers explore new approaches to today's challenges. One of a handful of Canadian universities ranked among the top 200 in the world, we attract exceptional thinkers and welcome diverse perspectives from across the globe. http://www.uottawa.ca
About CHEO
Dedicated to the best life for every child and youth, CHEO is a global leader in pediatric health care and research. Based in Ottawa, CHEO includes a hospital, children's treatment centre, school and research institute, with satellite services located throughout Eastern Ontario. CHEO provides excellence in complex pediatric care, research and education. We are committed to partnering with families and the community to provide exceptional care -- where, when and how it's needed. CHEO is a partner of the Kids Come First Health Team, a network of partners working to create a high quality, standardized and coordinated system for pediatric health care that is centred around children, youth and their families. Every year, CHEO helps more than 500,000 children and youth from Eastern Ontario, western Quebec, Nunavut and Northern Ontario. http://www.cheo.on.ca
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[Press-News.org] No health worries for children born to mothers given seasonal flu vaccine in pregnancy
uOttawa/CHEO study finds no increased risk of early childhood health issues following exposure to seasonal flu vaccination during pregnancy
