The Central Hong Kong aid prevention and control expert group exchanged anti epidemic work with the health department of the SAR government Attention of Xinhuanet at 14:00 on March 3 Novel coronavirus pneumonia expert group headed by Liang Wannian, head of the expert group of the new national crown Committee on the prevention and treatment of the new crown pneumonia outbreak, continued to visit the Hong Kong on 2 March and exchanged experiences with the health department of the HKSAR governme...