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