DURHAM, N.C. -- When a child comes home from preschool with a stomach bug that threatens to sideline the whole family for days, why do some members of the family get sick while others are unscathed?
According to a Duke Health study published Jan. 19, 2016 in the Journal of Infectious Diseases, a person's resistance to certain germs, specifically E. coli bacteria, could come down to their very DNA.