Patients often traveled to or resided in Wuhan or other affected regions, or had contact with infected people or patients in the two weeks before the onset of symptoms.
Wagonjwa mara nyingi wana historia ya kusafiri au kuishi mjini Wuhani au maeneo mengine yaliyoathirika au kugusana na watu au wagonjwa walioathirika katika wiki mbili zilizopita kabla ya kuanza.