Zhang Ying has been promoted as deputy director of Tianjin Center of Disease Control and Prevention. Zhang attended a press conference held on February 22 in her new capacity and answered questions related to people's concerns. Tianjin Municipality in north China has unveiled policies to deploy officials who have shown outstanding performance in epidemic prevention and control.

Zhang was dubbed "Tianjin Holmes" on Chinese social media for her understanding of the epidemic situation and logical explanation for a cluster of novel coronavirus infection cases in a local department store in Tianjin at a press conference on February 2.

Zhang, 50, graduated from Tianjin Medical University in 1994 and earned a Master of Public Health degree from the Chinese Center of Disease Control and Prevention in 2007. As an expert in this field, her major work focuses on surveillance, reporting and analysis, and training and publicity about infectious diseases. She has participated in field investigation and epidemic handling for many national health projects.