Falling Immunization Rates: A Growing Threat to Public Health in British Columbia
Childhood immunization rates in British Columbia have been steadily declining since the onset of the COVID-19 pandemic, raising significant concerns among public health officials. A recent CBC News analysis of provincial data reveals a worrying trend: increased vulnerability to preventable infectious diseases. The decline isn’t uniform across the province, with notable disparities between urban and rural areas.
The Pandemic’s Impact and Declining Trust
According to Dr. Jia Hu, interim medical director of immunization programs at the B.C. Centre for Disease Control, the drop in immunization rates isn’t attributable to a single cause. COVID-19 pandemic-related disruptions and a decline in public confidence in vaccines are likely key contributing factors. “I think all of that put together… does put us at higher risk of vaccine preventable diseases,” Dr. Hu stated.
The decline in coverage ranges from five to ten percent for some antigens, a figure considered “significant and obviously really concerning” by health experts. This decrease coincides with a broader trend of mistrust in government, pharmaceutical companies, and public health institutions, particularly since the pandemic.
Urban vs. Rural Divide: A Tale of Two Provinces
The CBC’s analysis, covering the period between 2015 and 2024, highlighted a stark contrast between urban and rural immunization rates. Childhood immunization rates were consistently lower and experienced a more pronounced drop in the Interior and Northern regions of B.C. Compared to Vancouver, and Victoria.
Measles vaccination rates are particularly concerning. Canada lost its measles-free status last year following an outbreak that infected over 6,000 people, with over 400 cases concentrated in the northeast region of British Columbia. Vaccination rates for measles at ages two, seven, and in Grade 6 were notably lower in the Northern Interior and northeast regions.
Dr. Rakel Kling, a medical health officer for Northern Health, points to challenges related to rural geography and access to appointments as contributing factors. However, she too noted a positive trend: immunization rates in the northeast increased by 70 percent in 2025, suggesting a growing awareness of the risks associated with measles.
The Rise of Vaccine Hesitancy and Misinformation
Experts suggest that the decline in immunization rates is linked to a broader trend of vaccine hesitancy, fueled by misinformation circulating on social media and a growing distrust of scientific authority. Polling data indicates a 34 to 35 percent increase in vaccine hesitancy among Canadians over the past five years.
Dr. Bernie Garrett, an emeritus professor at the UBC School of Nursing, describes this as an “anti-intellectualism and distrust in experts” that correlates with lower vaccine uptake. He suggests a broader “epistemic shift” where scientifically-based knowledge is increasingly contested.
The influence of figures like Robert F. Kennedy Jr., who has publicly questioned the efficacy of vaccines, is also a concern. Dr. Hu notes that his messaging creates confusion about the necessity of vaccines like HPV.
Data Gaps and Reporting Challenges
Provincial data reveals that one percent of two- and seven-year-olds have parents or guardians who refuse all vaccines. However, this figure is higher in specific regions, including North and Central Vancouver Island, and the East Kootenay area.
a significant number of two-year-olds have no immunization records on file – 11 percent provincially in 2024, up from seven percent in 2015. This is particularly high in the Northeast (25 percent) and Kootenay-Boundary (20 percent). Dr. Monika Naus, a professor at UBC’s School of Population and Public Health, explains that this discrepancy may be due to incomplete reporting, as immunization records provided by family doctors don’t always reach public health databases. Merging electronic health records with the immunization registry could address this issue.
Looking Ahead: Rebuilding Trust and Improving Access
To reverse this trend, public health officials emphasize the importance of building trust within communities and adopting a localized approach. Dr. Hu stresses the need for “trusted messengers” – individuals within communities who can advocate for vaccination and address concerns.
Frequently Asked Questions
- Why are immunization rates falling? COVID-19 disruptions and declining public confidence in vaccines are major factors.
- Is this a problem in all parts of B.C.? No, rates are lower and declining more rapidly in the Interior and Northern regions.
- What is being done to address this? Public health officials are focusing on building trust, improving access to vaccines, and addressing misinformation.
- What is the risk of lower immunization rates? Increased vulnerability to vaccine-preventable diseases, such as measles.
Pro Tip: Stay informed about recommended vaccinations for your family by visiting the B.C. Centre for Disease Control website.
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