Nassau County health officials issued a public warning after two confirmed of measles were confirmed within days — and diners at a popular restaurant may have been exposed. The first case involved an unvaccinated child under the age of 5, who was Nassau’s first confirmed case since 2024. Officials then issued a public health alert after a New York City resident who came down with the deadly illness potentially exposed diners at ritzy Italian eatery 388 in Roslyn Heights on May 3. Nassau County is under a public health alert after a child tested positive for measles and a second infected person ate at a local restaurant. Getty Images “The Nassau County Department of Health is closely investigating the case, including any potential exposures, and taking the necessary steps to prevent the spread of measles,” said Nassau County Commissioner of Health Dr. Irina Gelman .…