Vaccinations in Canada - Statistics & Facts

Adverse effects from vaccinations

In most cases, vaccines have no side effects; however, like any medication, certain unwanted effects may occur. Like many other countries, Canada has a system to report such adverse events to monitor the safety of vaccinations. In the first half of 2019, there were 1,757 reports of adverse effects from vaccinations reported in Canada, 1,642 of which were non-serious cases and 115 serious cases. The most common type of adverse effect for non-serious cases was a reaction at or near the vaccination site, while the most common adverse effect in serious cases was a neurologic event. The vaccine most responsible for both non-serious and serious events was the pneumococcal vaccination.

Vaccine hesistancy

Side effects from vaccinations are extremely rare and most often non-serious. Nevertheless, in recent years there has been an increase in many countries, including the United States and Canada, in the number of people who express fear or skepticism concerning vaccinations. This issue came to the forefront during the COVID-19 pandemic, but was already an increasing issue before the pandemic happened. In 2018, a survey of health care professionals in Canada revealed that 26 percent of family physicians stated they had seen an increase in vaccine refusal over the last five years. Family physicians reported the most common reasons patients gave for refusing a vaccine were that they knew, or heard of, someone who had an adverse reaction to a vaccine, or they were worried about specific ingredients in the vaccines. However, around 93 percent of Canadians in 2019 stated they believed vaccinations were very effective or mostly effective for the individual receiving them, and 91 percent believed they were very effective or mostly effective for the community as a whole.

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