Be safe, get checked: It is unusual to have a reaction "a few weeks" after any vaccine. However, any injection can, on rare occasions, lead to a localized infection or other reaction. Return to the doctor who immunized you. Probably isn't nothing important, but better safe than sorry. Good luck!
Answered 1/5/2016
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2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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