Real quick - I don't know where you are, but my daughter's friend's mom called me yesterday to tell me that all four of her kids have WHOOPING COUGH, which is incredibly contagious. My daughter has been massively sick with a cough, and I am strongly assuming that this is what happened to her - she had whooping cough.
Be careful, please. I think I'd ask to get a clearance letter, because it's definitely going around, and the best that vaccinations are doing right now is lessening the severity of the symptoms, which mostly means fewer hospitalizations.