![Swiss Cheese Metaphor](https://www.vaniman.com/wp-content/uploads/2021/12/Swiss-Cheese-Metaphor-1200x900-1.jpg)
Protection against COVID-19 (in all its various forms) is like Swiss cheese. Specifically, it’s like a block of Swiss cheese made up of individual slices.
Protection against COVID-19 (in all its various forms) is like Swiss cheese. Specifically, it’s like a block of Swiss cheese made up of individual slices.