What technique did the researchers use to map the DNA of the E. coli in the food supply to the DNA of the E. coli in the patients? What were their findings?

answer; ///asking more questions; ///is your answer

myth: mosquito bites transmit hiv. & shaking hands often transmits hiv. & oral sex never transmits hiv.

fact: breastfeeding can transmit hiv. & unprotected sex transmits hiv.