The COVID-19 pandemic has lasted for more than two and half years. With the SARS-CoV-2 virus’s constant mutations, neither COVID-19 vaccines nor previous infection are unable to protect us completely from the newest emerging strains, as demonstrated by the recent Omicron BA.4/5 subvariants.
As a matter of fact, the primary effect of vaccination is to generate neutralizing antibodies. However, the neutralization antibody  is only a tiny part of our sophisticated natural immune system. In other words, the decline of antibody binding does not mean that we are losing our natural immunity to the viral mutants. The human body is innately capable of defending against SARS-CoV-2 and emerging viruses via natural immunity regardless of any mutants or viruses and this article will detail the ways….