The number of coronavirus cases in the United States is increasing at different rates as medical personnel and authorities attempt to control it. There are many factors that influence the number of cases, including the time when the disease was first reported in a particular area and the testing capabilities available in each state.

New York was the epicenter for the nation’s crisis when thousands of people were infected daily. Since then, the virus has spread throughout the country with new hotspots appearing each month.

NBC News will provide daily updates to these charts. They show the per-day count for confirmed cases in states affected by the first wave Covid in the U.S. Here are the per-day numbers for coronavirus deaths in the U.S.

While New York and New Jersey had the largest Covid outbreaks in spring 2020, outbreaks occurred in several other states that have high populations. The increase in cases in the United States is due to improved testing and more people contracting the disease.

Check out the complete list of coronavirus confirmed cases in each U.S. territory and state: