If those who believe that the flu shot is so effective ACTUALLY believed it to be so, then why would they fear the un-vaccinated? That's like a knight in full armor afraid of an angry three-year-old.
And for you self-confident, arrogant pseudo-professionals who sell pills to innocent cattle: Get used to it. More and more we're just done being sold things we don't need. Medical "services" included. Just look at the statin fiasco! People are wasting away because of greedy industry recommendations. So get off your "I care about people" high horse and get real. A paper mask is far more effective and safer than any chemical injected into the body.
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.