The South African coronavirus mutation can infect multiple times, could hamper vaccine - Salon
Jan 23, 2021 52 secs
A mutant strain of the novel coronavirus discovered in South Africa appears to be able to ward off antibodies from individuals who had previously recovered from COVID-19 — meaning if the new strain becomes widespread, we may see more people getting infected multiple times. .

When the human body recovers from a disease, it produces a protein known as an antibody to identify and ultimately protect itself in the future from the bacteria or virus which caused it to become ill.

(These illness-causing microorganisms are known as pathogens.) This means that people who were sick with COVID-19 should in theory have antibodies that recognize the pathogen which causes it and neutralize it in the event that they are reinfected.

In the case of the COVID-19 vaccines, both of them train the body to recognize a protein on the SARS-CoV-2 virus known as Spike.

Unfortunately, the South African mutation alters that very protein, meaning that it could affect the vaccine's efficacy.

The South African strain is not the only one raising concern.

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