Texas health officials reported 36 new measles cases Friday, bringing the total number of confirmed cases since late January to 597. The state’s public health department estimates that fewer than 30 of the confirmed cases — about 4% — are “actively infectious.

State health officials said fewer than 30 of the cases identified by the state were considered "actively infectious."

State health officials on Tuesday said the number of measles cases in the state linked to a West Texas outbreak has grown to 561 since January.