These numbers are just a slight increase from last week, when the OSDH reported seven confirmed measles cases and two probable cases.

The Oklahoma State Department of Health (OSDH) said there are now nine cases of measles among unvaccinated people in Oklahoma, with seven of those cases being confirmed.

State health officials said most of those who became infected recognized their exposure and isolated. The only public exposure warning went out March 14 for Owasso and Claremore.

Oklahoma now has nine measles cases in the northeastern part of the state, which is five more than the week before, according to the latest update.

Though they will provide weekly updates, Oklahoma State Department of Health will provide potential public exposure notices as they are identified.

One expert said it's important for the public to be aware, no matter what they see on social media, that prevention is key because measles has no official treatment.

The Oklahoma State Department of Health says there are nine measles cases in the state, seven of which have been confirmed.

The Oklahoma State Department of Health reports these cases are among unvaccinated individuals in northeastern Oklahoma.

Measles development in the country has rapidly changed since January, with the CDC reporting almost 400 cases nationwide.