do people realize when they take the COVID VAXX that they are just signing up to be lab rats for a massive PHASE 3 clinical trial? says so right on the FAQs.

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How long will you be watching people who have been vaccinated? How do we know that bad side effects can’t happen long after vaccination, if the vaccine’s only been studied for less than a year?

We will track participants in our phase 3 clinical trial for the next two years following their second dose, in order to document the long-term effectiveness and safety of the vaccine.

Our trial is closely monitored by Pfizer and an outside, independent group of experts called a Data Monitoring Committee, or DMC. Trial investigators also monitor participants’ health, and participants in the trial attend regular planned follow-up visits as part of the trial. Pfizer and BioNTech will be conducting additional studies to determine how effective and safe the vaccine is in the real world and among specific risk groups such as healthcare workers and among nursing home residents. The safety of patients is and always will be our number one priority.[xiv]

https://www.pfizer.com/news/hot-topics/the_facts_about_pfizer_and_biontech_s_covid_19_vaccine