Michael Yeadon was a scientific researcher and vice president at drugs giant Pfizer Inc. He co-founded a successful biotech. Then his career took an unexpected turn.
The ex-Pfizer scientist who became an anti-vax hero
Late last year, a semi-retired British scientist co-authored a petition to Europe’s medicines regulator. The petitioners made a bold demand: Halt COVID-19 vaccine clinical trials.
Even bolder was their argument for doing so: They speculated, without providing evidence, that the vaccines could cause infertility in women.
The document appeared on a German website on Dec.1. Scientists denounced the theory. Regulators weren’t swayed, either: Weeks later, the European Medicines Agency approved the European Union’s first COVID-19 shot, co-developed by Pfizer Inc. But damage was already done.
Social media quickly spread exaggerated claims that COVID-19 jabs cause female infertility. Within weeks, doctors and nurses in Britain began reporting that concerned women were asking them whether it was true, according to the Royal College of Obstetricians & Gynaecologists. In January, a survey by the Kaiser Family Foundation (KFF), a non-profit organization, found that 13% of unvaccinated people in the United States had heard that “COVID-19 vaccines have been shown to cause infertility.”
What gave the debunked claim credibility was that one of the petition’s co-authors, Michael Yeadon, wasn’t just any scientist. The 60-year-old is a former vice president of Pfizer, where he spent 16 years as an allergy and respiratory researcher. He later co-founded a biotech firm that the Swiss drugmaker Novartis purchased for at least $325 million.
....In recent months, Yeadon (pronounced Yee-don) has emerged as an unlikely hero of the so-called anti-vaxxers, whose adherents question the safety of many vaccines, including for the coronavirus. The anti-vaxxer movement has amplified Yeadon’s skeptical views about COVID-19 vaccines and tests, government-mandated lockdowns and the arc of the pandemic. Yeadon has said he personally doesn’t oppose the use of all vaccines. But many health experts and government officials worry that opinions like his fuel vaccine hesitancy – a reluctance or refusal to be vaccinated – that could prolong the pandemic. COVID-19 has already killed more than 2.6 million people worldwide.
“These claims are false, dangerous and deeply irresponsible,” said a spokesman for Britain’s Department of Health & Social Care, when asked about Yeadon’s views. “COVID-19 vaccines are the best way to protect people from coronavirus and will save thousands of lives.”
Recent reports of blood clots and abnormal bleeding in a small number of recipients of AstraZeneca’s COVID-19 vaccine have cast doubt on that shot’s safety, leading several European countries to suspend its use. The developments are likely to fuel vaccine hesitancy further, although there is no evidence of a causative link between the AstraZeneca product and the affected patients’ conditions.
Yeadon didn’t respond to requests for comment for this article. In reporting this story, Reuters reviewed thousands of his tweets over the past two years, along with other writings and statements. It also interviewed five people who know him, including four of his former colleagues at Pfizer.
A Pfizer spokesman declined to comment on Yeadon and his stint with the company, beyond emphasizing that there is no evidence that its vaccine, which it developed with its German partner BioNTech, causes infertility in women.
References to Yeadon’s petition appear on the website of a group founded by influential vaccine skeptic Robert F. Kennedy Jr., scion of the American political dynasty, who recently was banned on Instagram because of his COVID-19 vaccine posts. Syndicated writer and vaccine skeptic Michelle Malkin reported Yeadon’s concern about fertility in a column last month under the headline, “Pregnant Women: Beware of COVID Shots.” And a blog with an alarmist headline – “Head of Pfizer Research: Covid vaccine is female sterilization” – was shared thousands of times on Facebook.
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