November 11, 2020 — One of first volunteers to get Pfizer’s experimental coronavirus vaccine reported suffering a “severe hangover” after his first shot.

Glen Deshields, a 44 year-old volunteer from Austin, Texas, participated in a phase-3 clinical trial that was double-blinded, so he did not know if he received the coronavirus vaccine or a placebo.

Even so, he was confident he received the new vaccine because he later took an antibody test that was positive for COVID-19.

After his first injection, he said his symptoms were like a “severe hangover,” with a headache and arm pain for several days. The symptoms after his second injection were like a “mild hangover.”

Earlier this week, Pfizer and BioNTech reported that their coronavirus vaccine is 90% effective at preventing infections with the virus that causes COVID-19. The results were based on data from phase-3 trials involving more than 43,500 people in 6 countries.

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Collen A. Clark

Collen A. Clark is a true advocate for his clients and is passionate about helping Texans that have been injured or wronged.

“Collen’s amazing success in the courtroom and well known dedication to his clients has earned him the recognition of his peers as one of The Top Trial Lawyers in Texas.”

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