the immune system immunity natural protection human body against external factors bacteria viruses various |
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| navigate by keyword : fever immune cell microbiology epidemic virus ill boost antioxidant pandemic detox dangerous shield health healthy prevention flu injection attack background healthcare protection therapy protective vaccine disease treatment infection medical organism illness care medicine sick safety hygiene immunity biology strong protect system vitamin fight influenza coronavirus vaccination immunization generated |
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| The immune system. Immunity. Natural protection of the human body against external factors, bacteria, viruses, various diseases. A shield on the guard of a human being |
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