[LIConFem]

Flu shots are infamous for these types of reactions. In some folks, anyway.

[Red Badger]

Yes, people who have weak immune systems to begin with....................

[Republican Wildcat]

Correct. The body reacts to the vaccine in many which can cause some of the symptoms of the disease briefly. It isn’t pleasant, but it beats getting the full blown disease if the vaccine works.

[AppyPappy]

“Flu shots are infamous for these types of reactions. In some folks, anyway.”

Double-blind studies show that’s largely psychosomatic