there is an unnatural combination of strains and in the varos it is affecting unusual groups people in a way not normally associated with outbreaks
There is an unnatural combination of strains and DNA in the virus. It is affecting unusual groups of people in a way not normally associated with E coli outbreaks.
There is an unnatural combination of strains and in the virus. It is affecting unusual groups people in a way not normally associated with outbreaks.