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.
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