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by busymom0 1270 days ago
The flu shots have shown a similar problem during the 2009 pandemic which was first thought to be happening only in Canada but was later on confirmed in other countries too and also confirmed in ferrets

> "seasonal flu vaccination almost doubled the risk of infection with pandemic flu":

https://www.cbc.ca/news/health/flu-vaccine-paradox-adds-to-p...

> "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."

> The ferrets in the vaccine group became significantly sicker than the other animals, though all recovered. "The findings that we show are consistent with the increased risk that we saw in the human studies," Ms. Skowronski said.

https://www.theglobeandmail.com/life/health-and-fitness/heal...