As a matter of fact, the primary effect of vaccination is to generate neutralizing antibodies. However, the neutralizating antibody is only a tiny part of our sophisticated natural immune system. In other words, the reduced antibody binding does not mean that we are losing our natural immunity to the mutant strains. The human body is innately capable of defending against SARS-CoV-2 and emerging viruses via natural immunity regardless of any mutations or viruses, and this article will detail how. What Is Immunity? Immunity is the ability of an organism to resist a particular infection or toxin.