The Oklahoma State Department of Health (OSDH) is not sharing where in Oklahoma two likely measles cases are, despite notifying the public about them on Tuesday. The department shared in a news release Tuesday that the two cases are being reported to the CDC as probable cases because there was reported exposure associated with the Texas and New Mexico measles outbreak.

OSDH and the Center for Disease Control (CDC) note that the Measles, Mumps, and Rubella (MMR) vaccine is proven to prevent the disease with a 97% efficacy rate.

The individuals reported exposure associated with the Texas and New Mexico outbreak and experiencing symptoms consistent with measles.