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Even as coronavirus was devastating populations around the world last year, doctors and public health officials noticed something else was missing – there was almost no flu. Many believe that measures taken to help control coronavirus also prevented the spread of influenza. Experts think the 2021-2022 influenza season might be a bad. One reason why can be explained by human behavior. People tired of lockdowns, of wearing masks, of staying away from other people may overdo it by being in crowds and visiting others. The second reason the flu season might be a doozy is that the human body’s immune response is naturally boosted by repeated, annual exposures to viruses such as flu. These exposures might not be enough to make people sick, but they’re enough to remind the immune system to keep up its defenses. See the article here.