![](https://www.lji.org/wp-content/uploads/2024/07/2023-07-Shane-Crotty.jpg)
LJI scientists capture immune cells hidden in nasal passages
LJI scientists pioneer new method for measuring immune memory and SARS-CoV-2 responses in the upper airway
![](https://www.lji.org/wp-content/uploads/2024/08/crotty-thumbnail.jpg)
Shane Crotty: A Landmark Study on Upper Airway Mucosal Immunity
Optimism for Nasal Vaccines for Covid and Other Respiratory Pathogens
![](https://www.lji.org/wp-content/uploads/2024/05/apoptotic-cell.jpg)
How COVID-19 ‘breakthrough’ infections alter your immune cells
Repeated vaccination and infection leads T cells and B cells to build an "immunity wall"