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Pfizer-funded talks falsely suggested rival vaccines might cause cancer, experts say
The pharmaceutical giant says that it had no input into the online tutorials and no intention to sabotage competitors
Pfizer Inc. funded presentations to Canadian health professionals earlier this year that claimed rival COVID-19 vaccines could cause cancer and were inappropriate for immunocompromised people — claims that experts say were not true.
A slide in the Powerpoint presentations listed two advantages for a different type of vaccine — which uses “viral vector” technology — and six disadvantages. The first claimed disadvantage was a risk that they could cause “chromosomal integration” and “oncogenesis” — turning healthy cells into cancerous ones. The second was that they could not be used on immunocompromised people.
Four experts surveyed by the National Post say the two disadvantage statements were untrue with respect to “non-replicating” viral vector vaccines — like those made by AstraZeneca, Johnson & Johnson, China’s CanSino and others