New Jersey officers warned of “potential exposures” to measles after a brand new case was recognized in a non-state resident who was infectious whereas attending a Shakira live performance at MetLife Stadium final week.

The New Jersey Division of Well being (NJDOH) issued a press release on Tuesday telling residents “to be aware of the symptoms of this highly contagious virus and to ensure they are up to date with the measles, mumps, and rubella (MMR) shots.”

Officers warned that anybody who attended the live performance final Thursday “may have been exposed to measles” and will develop signs as late as June 6.

Signs embody a excessive fever, cough, runny nostril, watery crimson eyes and a rash that often seems between three and 5 days after signs start, in line with the NJDOH, which detailed additional indications of a measles-associated rash in its assertion.

People who’re significantly in danger embody those that haven’t been absolutely vaccinated or haven’t had measles prior to now, in line with the state well being division.

As of Tuesday, no extra instances have been recognized as related to the live performance, well being officers mentioned.

Officers mentioned the MMR vaccine is “the most effective way” to guard in opposition to measles and is “highly effective” at stopping related issues.

The division inspired well being care suppliers to “use every opportunity to assess for immunizations to ensure all patients are current on routine immunizations.”

People who suppose they have been uncovered or suspect they could be contaminated are instructed to name a well being care supplier earlier than in search of medical care to keep away from infecting different sufferers and medical workers.

“Please do not visit a medical facility without calling ahead,” they wrote.

The U.S. is seeing a big resurgence of measles, with greater than 1,000 instances throughout 31 states. Many instances are concentrated in Texas, which accounts for greater than 700 instances, that are predominantly recognized in kids and teenagers who will not be vaccinated.