The “4TH WPSA INTERNATIONAL ONE HEALTH CONFERENCE 2021” to be held on 9-10th September, 2021is a mega event which will provide great opportunity for the presentation of latest development and research work in the field of one health including AMR / AMU ● Zoonosis ● Poultry Health &Welfare ● Bacteriology ● Biosafety & Biosecurity ● Virology ● Environment factor contributing to one health ● International trends ● Human and One Health. The event is a joint effort by World’s Poultry Science Association – Pakistan Branch, Faculty of Vet. & Animal Sciences-UVAS Lahore and Pakistan Veterinary Medical Council, UVAS-Lahore and other relevant departments as well as stakeholders to join and bring researchers, scientists and veterinarian and medical doctors and scholars around the globe to share recent research findings and knowledge uplifting the sector, solving problems and discussing scientific views and ideas related to emerging trends for sustainable exploitation of one health. As one health is emerging and missing lesson which has prime importance in present era of industrial development.