While both infection and vaccination lead to antibody production, there are differences in natural immunity and vaccine-induced immunity. B cells learn to make these antibodies in one of two ways: by COVID-19 infection or by vaccination. They kill the infected cells, and then use them to learn how to fight the virus in the future.ī cells: After the T cells learn about the virus, B cells use that information to make antibodies that target the virus any time it tries to enter the body again. T cells: These cells recognize when our body has been infected with COVID-19. ![]() ![]() Many different types of cells are involved in producing this immune response, but there are two main ones: Our immune system is activated when we are exposed to a virus (such as COVID-19), bacteria, or other foreign invader. What is an immune response, and how does it work? ![]() Here we’ll review what we know about the differences in the immune response, and how that may translate into different levels of protection. And so researchers have been studying which is better - vaccine-induced immunity or natural immunity by exposure to the virus itself. Our bodies build immunity against COVID-19 when we have been exposed to the virus from infection or the spike proteins in the vaccine.
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