The following research states that Coronavirus disease(COVID-19), brought about by serious intense respiratory condition Covid 2 (SARS-CoV-2), was identified in the United States in January 2020. Analysts archived passages in the United States brought about by COVID-19 in February. From there on, observation testing extended cross country. These and different endeavors uncovered local area spread across the United States and outstanding development of new COVID-19 cases all through the vast majority of March. Development of cases during February–April made some multiplying memories of 2–3 days , like the multiplying season of the underlying episode in China. The fast expansion in cases incited wide selection of social removing practices like teleworking, travel limitations, utilization of face covers, and government orders precluding public get-togethers. The United States before long turned into a focal point of the COVID-19 pandemic. In the United States, identification of new cases topped in late April and consistently declined until mid-June (4). The decrease on the off chance that numbers recommend that commands and social separating intercessions successfully eased back COVID-19 transmission. Endeavors to evaluate the impacts of these actions demonstrate that they significantly decreased infection commonness.

Therefore we conclude that In mid-June and mid-September 2020, the everyday rate of COVID-19 cases in the United States expanded a second and third time.

Reference link- https://wwwnc.cdc.gov/eid/article/27/3/20-3364_article