I Went To An ENT Doctor To Check Out My

I went to an ENT doctor to check out my sore throat. I had over stressed it several days before. Although it was getting better (asymptomatic for anything else) I still wanted to check it out. Doctor used a nasal endoscope and confirmed that my "voice box" was mildly inflamed. Next morning, sore throat that now accompanies a cough and general mild body aches and low fever.
Is it possible that when the doctor used the endoscope that he inoculated my throat with a "bug"