Clark County Public Health did not identify any new measles cases or exposure sites Wednesday in its ongoing outbreak investigation.
One new case has been identified since Feb. 8. Also, one previously confirmed case was ruled out due to additional testing.
For a complete list of exposure sites, visit: Columbian.com/news/2019/jan/29/Measles-Exposure-Sites.
Of the 53 confirmed cases, 47 were not immunized against the highly contagious virus. Immunization status could not be verified for five cases, and one case involved a child who had received a single dose of the measles, mumps and rubella vaccine. Two of the cases have moved to Georgia.
Confirmed Clark County cases include 38 between the ages of 1 and 10; 13 between 11 and 18; one between 19 and 29; and one between 30 and 39. There also is a confirmed case in King County and four in Multnomah County, Ore.