An analysis was performed for data on laboratory-confirmed COVID-19 cases reported to CDC by 50 states, four U.S. territories and affiliated islands, the District of Columbia, and New York City, with an onset date of illness between February 12 and March 28, 2020.
Data kutoka visa vya COVID-19 vilivyothibitishwa kwenye mahabara zilizoripotiwa kwa CDC kutoka majimbo 50, himaya nne za Marekani na visiwa husiani, Wilaya ya Kolombia na Jiji la New York zikiwa na tarehe za kuanza baina ya 12 Februari - 28 Machi 2020, zilichanganuliwa.