(Image source from: HealthMagazine)

A group of people in California that watched Avengers: Endgame on the opening night’s midnight showing might me prone to measles as a woman with highly contagious viral disease apparently was present in the opening night in Fullerton before realizing she was sick, Orange County officials warned.

As a result, she may have exposed others in the region to the highly contagious disease, according to the Los Angeles Times.

The patient, who is around 20’s, lives in Placentia and had just returned from a trip to Vietnam, where there has been widespread measles activity, according to “Inside Edition.”

The woman was unaware she was sick when entered the theater at 11 p.m. Thursday. She didn’t leave until 4 a.m. Friday, and she went to the emergency room later Friday.

The woman is now under “voluntary isolation” at home.

Orange County Health Care agency spokeswoman Jessica Good told the Orange County Register that the “the exposure risk applies to anyone who was at the theater during that time period.”

As you might expect, theater employees are not thrilled that they and others may have been exposed to measles.

“The last place I would ever expect it was at my job. I wasn’t even expecting Orange County,” AMC Fullerton employee Carlee Greer-McNeill told NBC Los Angeles.

She added: “People, if you know you have the measles, please don’t come to a movie theater, let alone a public place.”

Officials are asking people who were at the following locations to review their vaccination history and also monitor themselves for measles symptoms.

More than 700 cases of the measles have been reported in the United States this year, according to federal health officials, with hundreds in quarantine. It’s been characterized as the largest outbreak of the preventable disease since 2000, the year that it was declared eliminated from the country.

-Sangam Sowmya