In the fights against epidemic diseases in China, epidemiological investigations has play a crucial role for epidemic prevention policies and measures. However, the importance of epidemiological investigation is often ignored by media and the public because its works have done behind the scenes. This paper gives a brief introduction of main contributions in epidemiological investigation during SARS, H1N1 and Covid-19 pandemics in China, as well as the development of onsite teams of epidemiological investigation, in order to make the public understand what epidemiological investigation is and how importance it is and better carry out epidemic prevention and control and related science communication and popularization.

epidemiological investigation  /  anti-epidemic diseases  /  science communication and popularization