No: They are harmless.
Answered 5/13/2016
5.1k views
Not usually: Not usually, but if they are pushing out other pathogenic (bad) bugs, or if there is a strain (sometimes strep) that is triggering your immune system, they may.
Answered 12/4/2017
2.4k views
A doctor has provided 1 answer
A doctor has provided 1 answer
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