As the pandemic allowed the general population to learn new terms like coronavirus and variant, the poultry industry is facing its own issue: the Delmarva (DMV) infectious bronchitis virus strain. Indeed, this coronavirus affects not only the respiratory system of hens and broilers, but also the pullets’ reproductive system, sometimes with disastrous consequences. Dre Boulianne will describe this disease and the latest scientific findings, as well as some of the ongoing projects to better understand and fight this pathogen.