NEW YORK — Mayor Eric Adams upgraded New York City’s COVID-19 alert status to high on Tuesday due to a surge in people testing positive and being hospitalized for the virus. The change in status from a medium risk alert to high risk comes as coronavirus hospital admissions have increased steadily over the past two months and as more and more New Yorkers are becoming ill. “Now is the time to double down on protecting ourselves and each other by making choices that can keep our friends, neighbors, relatives and co-workers from getting sick,” the city’s Health Commissioner Dr. Ashwin Vasan said i…