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Vaccines help, but they will only induce B-Cell immunity which wanes after 6 months. Memory B-Cells are there, so you won't get severely ill, but you'll still get ill. If you want lasting immunity, you need T-Cell immunity. Aside from Novavax, none of the vaccines that have been approved provide this. Natural immunity is still the best, if you get COVID while unvaccinated and survive, you get T and B-Cell immunity.
What's promising are protease inhibitors like Paxlovid and MABS.
