Dear Colleagues and Friends,

It is our great pleasure to extend a warm welcome to you for the 9th International Conference on Wastewater-Based Epidemiology (WBE), to be held from October 22nd to 25th, 2026, in the beautiful city of Changshu, Jiangsu Province, China.

Since the 4th conference that was successfully held in China (Foshan, Guangdong) in 2019, the field of WBE has witnessed unprecedented growth and recognition. The COVID-19 pandemic has profoundly highlighted its critical role in public health surveillance, leading to increased adoption by health authorities worldwide and a significant expansion of our global research community.

This conference will serve as a vital platform to share the latest scientific advancements, innovative methodologies, and practical experiences in WBE. We look forward to stimulating discussions and fruitful collaborations that will further strengthen the contribution of this field to global health security.

We wish you a productive, inspiring, and enjoyable conference in Changshu!

Sincerely,

The Organizing Committee