The measles outbreak in Ocean County continues to spread: state health department officials say there are now nine confirmed cases of measles — seven in Ocean County and two in Monmouth County. At least three counties have been impacted, officials say.

In an update on the state Department of Health website, officials said they are continuing to track and investigate the outbreak declared March 15. Those confirmed cases and one "highly suspect case" may have exposed others to infection between March 9 and March 14.

Read more: Measles Outbreak In New Jersey: Potential Exposure In 3 Counties

An outbreak in Ocean County that started in late October and stretched to mid-January sickened 33 people. Health department officials have not indicated a connection between the two outbreaks. More than 12,400 doses of vaccine were distributed in response to the October outbreak.

Read more: 33 Measles Cases As Ocean County Outbreak Spikes
Anyone who visited the following locations may have been exposed to measles: