Do flu shots increase your chance of getting the flu?

[SaneVax: 2009: Reports originating in Canada stating that people vaccinated against the flu were more likely than those who chose not to be vaccinated to get the flu. Pharmaceutical companies and health authorities were quick to dismiss the reports as a ‘Canadian problem.’  Turns out this casual dismissal may have been premature.]

Flu shot issue may not be ‘Canadian problem’ after all: study

From The Canadian Press

Flu Prevention?

TORONTO — A strange vaccine-related phenomenon spotted at the start of the 2009 flu pandemic may well have been real, a new study suggests.

Canadian researchers noticed in the early weeks of the pandemic that people who got a flu shot for the 2008-2009 winter seemed to be more likely to get infected with the pandemic virus than people who hadn’t received a flu shot.

Five studies done in several provinces showed the same puzzling and unsettling results. But initially research outside of Canada did not, and the effect was dismissed as “the Canadian problem.”

News of the unexpected findings broke at a time when countries in North America and parts of Europe were getting ready to start vaccinating their populations against the pandemic virus.

Some jurisdictions were also trying to figure out whether to offer the seasonal flu vaccine they had purchased — similar to the 2008-2009 shot — along with the pandemic vaccine, in case the seasonal flu viruses continued to circulate. Quebec opted not to offer the seasonal vaccine because of the concerns raised by the studies.

Many people in the flu research and public health communities found the whole event unhelpful, and many rejected the findings. Some suggested if there was a problem, it might have been with the flu vaccine used in Canada, because the problem wasn’t seen elsewhere.

But a new study suggests the findings may indeed have been real.

Read the entire article here.


  1. I have never gotten the flu and never got the flu vaccine. On the other hand, my husband have gotten the flu vaccine and got the flu so bad one year that he had an aneursym that burst at the base of his esophygus and lost all his blood volume. He survived it due to medivac to veterans hospital where transfusion and corterizing the blood vessel to repair it was done immediately along with prayer. After that he never got the flu vaccine again and has not gotten the flu since. This happened in 2004.

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