April 22 | 104 cases, 21 deaths | | April 18 | 87 cases, 17 deaths | | April 16 | 77 cases, 16 deaths | | April 14 | 60 cases, 13 deaths; Henan reports first case | | April 12 | 43 cases, 11 deaths | | April 10 | 33 cases, 9 deaths; China launches vaccine research project | | April 8 | 24 cases, 7 deaths | | April 6 | 18 cases, 6 deaths; Shanghai authorities announce ban on live poultry imports, closing three markets | | April 3 | 9 cases, 3 deaths; Zhejiang reports first case | | March 31 | 3 cases, 2 deaths; Shanghai and Anhui report. National Health and Family Planning Commission notifies WHO | |