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WordNet-Online
Definitions from WordNet
Noun natural immunity has 1 sense
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Definitions from the WebNatural ImmunityDefinition: Natural immunity refers to the body's innate ability to defend against pathogens, without prior exposure or vaccination. Sense 1: In a general sense, natural immunity can be understood as the body's overall resistance to infections and diseases. Example sentence: Natural immunity plays a vital role in protecting individuals from various common illnesses. Sense 2: Specifically, natural immunity can also refer to the immunity acquired through the natural process of having and recovering from a specific infection. Example sentence: After contracting and recovering from COVID-19, individuals develop natural immunity against the virus. Sense 3: Natural immunity can also mean the passing of immunity from mother to offspring through breast milk or placenta. Example sentence: Babies receive natural immunity against certain diseases through the antibodies present in their mother's breast milk. Sense 4: In the context of immunology, natural immunity is the body's first-line defense mechanism involving various nonspecific barriers and immune responses. Example sentence: The skin acts as a physical barrier and contributes to natural immunity by preventing pathogens from entering the body. Related products: | ||||
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