Natural versus vaccine immunity


Post infection natural immunity, debate and implications for mandatory vaccination…

US as of 11th December 2020…

Immunological memory to SARS-CoV-2 assessed for up to 8 months after infection…


Substantial immune memory is generated after COVID-19.

About 95% of subjects retained immune memory at ~6 months after infection.

Circulating antibody titers were not predictive of T cell memory.


Still recommends a full vaccination dose for all.

The immune response from vaccination is more predictable.

Antibody responses after infection vary widely by individual.

June, Peter Marks, Food and Drug Administration’s Center for Biologics Evaluation and Research.

We do know that the immunity after vaccination is better than the immunity after natural infection.

Generally the immunity after natural infection tends to wane after about 90 days.…