Friday, February 6, 2026
ADVT 
Health

COVID shot reduces risk of severe illness, premature birth in pregnancy, study says

Darpan News Desk The Canadian Press, 15 Dec, 2025 11:02 AM
  • COVID shot reduces risk of severe illness, premature birth in pregnancy, study says

A new study says the COVID-19 vaccine protects pregnant women from getting severely ill or giving birth prematurely.

Researchers led by the University of British Columbia analyzed data on almost 20,000 pregnant people infected with COVID between April 5, 2021 and Dec. 31, 2022.

That time period covered infections with both Delta and Omicron variants in eight provinces and one territory. 

The JAMA study found that vaccinated pregnant women were about 60 per cent less likely to be hospitalized and 90 per cent less likely to need intensive care compared to those who were unvaccinated when they got the virus. 

The authors say the risk of premature birth was 20 per cent lower during the Delta wave and 36 per cent lower during the Omicron wave among women who were vaccinated. 

They emphasize there is no bad time to be vaccinated, as results suggest that COVID vaccination during pregnancy may reduce rates of premature birth even more than getting the shot before becoming pregnant.  

The researchers are part of the Canadian Surveillance of COVID-19 in Pregnancy (CANCOVID-Preg) program, which is led by UBC. 

The study, published Monday, captured data from pregnancies in British Columbia, Alberta, Manitoba, Ontario, Quebec, New Brunswick, Prince Edward Island, Nova Scotia and Yukon.

Researchers led by the University of British Columbia analyzed data on almost 20,000 pregnant people infected with COVID between April 5, 2021 and Dec. 31, 2022.

That time period covered infections with both Delta and Omicron variants in eight provinces and one territory. 

The JAMA study found that vaccinated pregnant women were about 60 per cent less likely to be hospitalized and 90 per cent less likely to need intensive care compared to those who were unvaccinated when they got the virus. 

The authors say the risk of premature birth was 20 per cent lower during the Delta wave and 36 per cent lower during the Omicron wave among women who were vaccinated. 

They emphasize there is no bad time to be vaccinated, as results suggest that COVID vaccination during pregnancy may reduce rates of premature birth even more than getting the shot before becoming pregnant.  

The researchers are part of the Canadian Surveillance of COVID-19 in Pregnancy (CANCOVID-Preg) program, which is led by UBC. 

The study, published Monday, captured data from pregnancies in British Columbia, Alberta, Manitoba, Ontario, Quebec, New Brunswick, Prince Edward Island, Nova Scotia and Yukon.

Picture Courtesy: THE CANADIAN PRESS/AP, LM Otero

MORE Health ARTICLES

Steroids confirmed to help severely ill coronavirus patients

Steroids confirmed to help severely ill coronavirus patients
Dr. Anthony Gordon of Imperial College London called the result “a huge step forward,” but added, “as impressive as these results are, it’s not a cure.”

Steroids confirmed to help severely ill coronavirus patients

Third virus vaccine reaches major hurdle: final US testing

Third virus vaccine reaches major hurdle: final US testing
Two other vaccine candidates began final testing this summer in tens of thousands of people in the U.S. One was created by the National Institutes of Health and manufactured by Moderna Inc., and the other developed by Pfizer Inc. and Germany’s BioNTech.

Third virus vaccine reaches major hurdle: final US testing

Surgery backlog could take 84 weeks to clear: study

Surgery backlog could take 84 weeks to clear: study
That directive was lifted in late May and hospitals gradually resumed performing those surgeries.

Surgery backlog could take 84 weeks to clear: study

B.C. hits new daily record with 124 COVID-19 cases

B.C. hits new daily record with 124 COVID-19 cases
Dix and Henry once again encouraged people to keep contact with other people low, particularly at indoor parties and events. "This weekend, let's remember to use the layers of protection that keep ourselves and those around us safe. This is also a good time to think about the new routines that will be part of our activities into the fall," their statement read.

B.C. hits new daily record with 124 COVID-19 cases

Families brace for upheaval as cold and flu season nears

Families brace for upheaval as cold and flu season nears
"Someone's going to get a cold or a cough — probably not COVID, but you're going to be keeping someone home, like, all the time," says Trousdale, whose kids are set to enter grades 1 and 4.

Families brace for upheaval as cold and flu season nears

ER visits down 25 per cent in early 2020: report

ER visits down 25 per cent in early 2020: report
A new report finds emergency department visits dropped by 25 per cent in the early days of the COVID-19 pandemic.

ER visits down 25 per cent in early 2020: report