Coronavirus: Immunity To Infection Versus Immunity To Vaccines That Lasts Longer?

Coronavirus immunity is currently a much debated concept. As authorities around the world work to speed up the pace of vaccination, there is also speculation that the immunity achieved through natural infection is much stronger and defeats the purpose of vaccination.

This has been proven by a number of clinical studies examining the effectiveness of natural antibodies. The SARSCOV2 virus infects the body, causing possible inflammation and spreading to different parts of the body. Once the immune system recognizes the virus, it sends defense antibodies and white blood cells to fight the infection.

Once the infection is cleared, the immune response in our body is triggered as a combination of mediated immunity and antibody production – long-lasting immunity that happens when your body encounters other strains of infectious agents as well.

A vaccine contains fragments (inactive / weaker / dead) of the virus strain or some form of spike proteins (such as vaccines) that mimic the behavior of the infectious strain. Once the immune system recognizes the fragments or parts of the virus, it causes the necessary inflammatory responses (also known as side effects) and the white blood cells in action, struggling to remember well.

Antibodies are formed during this process.Therefore, if the virus or pathogen is found in the future, the vaccine will train the immune system to recognize, fight and bypass the virus without increasing the risk of infection. While recovered COVID19 survivors have some level of natural immunity, they currently need a COVID19 vaccine.

This is because, while antibody levels can offer some protection, a vaccine can go beyond and benefit from natural protection. It could also benefit people with immunosuppression or at increased risk. Reinfection Compared to people with no history of infection, a recovered person may only need one dose at this point.

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