This is what a pandemic prom looks like under New York state guidelines. Forget popular kids and dorks — seniors at one Long Island high school dance will be divided by whether they are vaccinated or unvaccinated against COVID-19, The Post has learned... The school said that, per state and CDC guidelines, kids who are vaccinated will be able to attend maskless — while those who aren’t will need to wear a face covering. Students will need to show proof of inoculation to attend mask-free, and will be given wristbands to signify they’ve gotten the jab, Dr. Ira Pernick, the...