The latest measles update from the CDC reports a total of 935 confirmed cases — the vast majority of which are among patients who are unvaccinated or have unknown vaccination statuses.

So far this year, the CDC has confirmed nearly 900 measles cases in the country. As the infection continues spreading from state to state, it’s starting to get closer to Central Illinois. Public health officials say there were two measles cases confirmed in the Chicago area — one at O’Hare International Airport

The measles outbreak centered in northwest Texas grew to 683 cases and spread to three new counties on Friday, according to health officials. The latest update from the Texas Department of State Health Services adds 20 new cases since the agency’s last update on Tuesday.

Speaking with NewsNation, virulent vaccine conspiracist and Department of Health and Human Services Secretary Robert F. Kennedy Jr. justified a religious Texas community’s decision not to receive the vaccine by claiming that the measles vaccine contains “aborted fetus debris” as well as “DNA particles.