How Antibody Medicines and Vaccines Compare — and How Both Might Help Against COVID-19

When the human body encounters pathogens like SARS-CoV-2, the virus that causes COVID-19, the body’s immune system naturally produces antibodies to recognize and kill or neutralize the dangerous invaders.

The immune system typically remembers its reaction to a pathogen and can produce the same protective antibodies again in the future. This is called IMMUNOLOGICAL MEMORY.

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