article_snippet.sent: the California Department of Public Health said in the California Department of Public Health latest update that 131 people came down with the B3 strain, and five who had a different genotype than the outbreak strain.
article_snippet.sent: the California Department of Public Health said 42 of the cases occurred from December 17-20.
article_snippet.sent: The Centers for Disease Control and Prevention said on The Centers for Disease Control and Prevention website that 19 different strains have been discovered since 1990.
highlights_snippet.sent: Officials say 131 Californians were affected by one strain, five by other strains .
  