Fig. 2. (IMAGE) Osaka University Caption The actions of pertussis toxin (PTx), virulence associated gene 8 (Vag8), and lipooligosaccharide (LOS) in cough production. Credit 2022 Hiramatsu et al. The mechanism of pertussis cough revealed by the mouse-coughing model. mBio Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.