“ Immunity wanes against the Omicron variant of the coronavirus with both the Moderna and Pfizer/BioNTech vaccines – but not as much as it wanes after a natural infection.”
“ In general, antibody protection correlates with real-life protection, but it doesn’t measure the long-term protection from severe disease and death provided by a slower-growing and longer-lasting type of protection: immune cells called T cells.
“We should remember that the relationship between measurable neutralizing antibodies and clinical course of infection is not a simple one.
In general, antibodies are required to prevent initial infection; but cellular immunity – which may be maintained – is required to prevent serious illness,” Dr. Peter English, an expert in communicable disease control in the UK, said in a statement.”
In a few words, simpleton, it’s not that simple.
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