The problem with this logic is the presumption that wearing masks was a widespread phenomenon. As someone who traveled a lot this year I can assure you that the

The problem with this logic is the presumption that wearing masks was a widespread phenomenon. As someone who traveled a lot this year I can assure you that there a many states and areas that mostly ignored the lockdowns happening in the city areas. For these places, we would expect the flu to continue on as normal. Instead it’s disappeared. How strange.