>It’s not that we need new vaccines for the same virus each year, the virus has just mutated enough that our immune response isn’t trained to identify it. The

>It’s not that we need new vaccines for the same virus each year, the virus has just mutated enough that our immune response isn’t trained to identify it. The inference here is categorically false. Vaccine protection against the flu begins to wane within weeks, and the reason is not owed to mutations: https://www.cidrap.umn.edu/news-perspective/2018/09/study-flu-vaccine-protection-starts-wane-within-weeks https://www.cidrap.umn.edu/news-perspective/2018/09/study-fl... https://www.science.org/content/article/why-flu-vaccines-don-t-protect-people-long https://www.science.org/content/article/why-flu-vaccines-don... >Why is there such a push to convince people that our immune system works differently for this particular virus? There is no such push. You and others are just misinformed about how the immune system works and, unfortunately, spreading that misinformation--as here.