I doubt that strategy would have any detectable impact on whether you get the flu, or how bad your flu is when you do get it. A bad year and a normal year aren'

I doubt that strategy would have any detectable impact on whether you get the flu, or how bad your flu is when you do get it. A bad year and a normal year aren't different enough, let alone whether cases are likely to be transferred from random strangers while shopping, or if that visitation strategy actually helps [0]. There is still a roughly 90% chance you catch a flu case in a different year if you are destined to catch something this decade. [0] If I had the flu, I would be more likely to try and shop on days and times when there aren't many other people shopping.