Clark County health officials reported one additional confirmed measles case today, bringing the total cases to 35. In addition, 11 suspect cases are being reported.

Clark County, Washington Image/David Benbennick
Clark County, Washington
Image/David Benbennick

Nearly 89 percent of the confirmed cases were unvaccinated. Only one case was reported in an adult.

Measles in Washington has spread and health officials urge immunization. Immunization is the best prevention for measles. The measles vaccine is very effective. One dose of the measles vaccine is about 93 percent effective at preventing measles. Two doses are about 97 percent effective, according to the Centers for Disease Control and Prevention.