The Northeast and Midwest have seen the greatest increase in cases and hospitalizations as the weather gets colder and people head indoors, according to federal data.
Twenty states have reported at least a 10% increase in hospital admissions over the last week: Arizona, Connecticut, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Maine, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, Ohio, Oklahoma, South Dakota, Texas and Wisconsin.
Twenty-seven states have seen at least a 10% jump in daily cases over the last two weeks: Arizona, Arkansas, Connecticut, Delaware, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, Nevada, New Hampshire, New Mexico, New York, New York City, New Jersey, Ohio, Pennsylvania, Rhode Island, South Dakota, Tennessee, Vermont and Wisconsin.
-ABC News' Arielle Mitropoulos