epidemic threshold critical number density susceptible hosts man medical lab inspecting samples biological |
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navigate by keyword : man analysis doctor inspecting outbreak coronavirus epidemic medical illness virus lab critical respiratory number density susceptible hosts threshold samples biological material disease concept infection antibiotic bacteria vaccine caution creating diagnosis fever flu health hematology genetic hospital ill infectious mask measure medicine nurse pandemic pneumonia quarantine risk syndrome |
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Epidemic threshold. Critical number or density of susceptible hosts. Man in medical lab inspecting samples biological material. Epidemic disease. Virus concept. Epidemic infection. Genetic analysis. |
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