(Reuters) -The Texas health department on Friday reported 728 cases of measles in the state, up by six cases since its last update on Tuesday. In Gaines County, the epicenter of the outbreak in the state, the number of infections rose by two cases to 408 since the last update, the Texas Department of State Health Services said.

Texas added just 10 new cases this week, but there must be no new cases over a 42-day period before an outbreak is declared over.

Fewer than 10 of those cases are believed to be actively infectious. Texas measles outbreak update. The Latest. Since late January, 728 measles cases have been confirmed by state