Michael Russell, PhD, standing in lab (IMAGE) University at Buffalo Caption Russell and his co-authors believe that more attention should be paid to the mucosal immunity system in COVID-19 studies on potential treatments and vaccines. Credit Douglas Levere/ University at Buffalo Usage Restrictions None License Licensed content 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.