COVID-19 Outbreak Information Updates (Reboot) [over 150.000,000 US cases (est.), 6,422,520 US hospitilizations, 1,148,691 US deaths.]

DavidM said
It was for me. I felt pretty bad for a few hours. First one didn’t really bother me. I generally haven’t had reactions to vaccines.
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The arm pain isn't as bad for me as #1 was but both times I was so wired that I couldn't sleep.