As presented in ​Fig. ​Fig.1,1, outbreaks of pneumonia then of unknown origin were first reported in Wuhan on December 31, 2019 to the Chinese National Health Commission.
Kama ilivyoonyeshwa kwenye ​Picha ya 1,1, mikusanyiko ya nimonia ambayo chimbuko lake halikujulikana iliripotiwa mara ya kwanza kutoka Wuhani tarehe 31 Disemba 2019 kwa Tume ya Kitaifa ya Afya nchini China.