I used to be a pharmaceutical sales rep. I can remember a drug, Oraflex, made by Eli Lilly. Approved in Britain before the US. had to be taken off the market less than a month after it was marketed. It had a host of side effects not seen until widespread use. Britain banned it first due the the side effects being seen. Seldane, an antihistamine only lasted about a year. there are many others. With the planned use in the entire population, I am glad they are taking every precaution in checking the findings.
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