The constant coming and going across the border contributed to the outbreak, along with multi-generation families in the same household and other cultural and personal behavior, Janette Angulo, the countys public health director, said at a state Senate hearing Tuesday.
Across California, the sickness has claimed ten lives ... most of them infants.Janette Angulo with the Imperial County Public Health Department says "we hadn't seen that many cases in 63 years."