However, due to the high rate of false negatives, which can accelerate the epidemic, clinical manifestations began to be used for diagnosis (which then no longer relied solely on RT-PCR) in China on February 13, 2020.
Hata hivyo, kutokana na kiwango cha juu cha visa vya ugonjwa uliopo kutopatikana kupitia vipimo, jambo linaloweza kueneza janga hili, ishara za kimatibabu zilianza kutumika kwa ajili ya upimaji (ambayo haitegemei tena RT-PCR pekee) nchini China mnamo tarehe 13 Februari 2020.