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About 11 results
  • https://bio.libretexts.org/Courses/Portland_Community_College/Cascade_Microbiology/14%3A_Microbial_Mechanisms_of_Pathogenicity/14.2%3A_How_Pathogens_Cause_Disease
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Courses/Manchester_Community_College_(MCC)/Remix_of_Openstax%3AMicrobiology_by_Parker_Schneegurt_et_al/12%3A_Microbial_Interactions_Flora_Pathogenicity_and_Epidemiology/12.02%3A_How_Pathogens_Cause_Disease
    In an infection, a microorganism enters a host and begins to multiply. Symptoms of a disease are subjective and are reported by the patient. Diseases can either be noninfectious (due to genetics and e...In an infection, a microorganism enters a host and begins to multiply. Symptoms of a disease are subjective and are reported by the patient. Diseases can either be noninfectious (due to genetics and environment) or infectious (due to pathogens). Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy
  • https://bio.libretexts.org/Courses/City_College_of_San_Francisco/Introduction_to_Microbiology_(Liu_et_al.)/16%3A_Microbial_Mechanisms_of_Pathogenicity/16.04%3A_Pathogenicity_and_Virulence
    This page discusses pathogenicity and virulence, highlighting the distinction between primary pathogens, which cause disease regardless of host defenses, and opportunistic pathogens, which exploit com...This page discusses pathogenicity and virulence, highlighting the distinction between primary pathogens, which cause disease regardless of host defenses, and opportunistic pathogens, which exploit compromised defenses. Examples include enterohemorrhagic E. coli and Staphylococcus epidermidis. It also touches on Candida overgrowth causing thrush and yeast infections, particularly in immunocompromised individuals or due to hormonal changes in women.
  • https://bio.libretexts.org/Courses/Sacramento_City_College/BIOL_440%3A_General_Microbiology_(Hughes)/11%3A_Week_11/17%3A_Microbial_Mechanisms_of_Pathogenicity/17.02%3A_How_Pathogens_Cause_Disease
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Courses/North_Central_State_College/BIOL_1550%3A_Microbiology_(2025)/17%3A_Microbial_Mechanisms_of_Pathogenicity/17.02%3A_How_Pathogens_Cause_Disease
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Courses/Mansfield_University_of_Pennsylvania/BSC_3271%3A_Microbiology_for_Health_Sciences_Sp21_(Kagle)/12%3A_How_Microbes_Cause_Disease/12.01%3A_Microbial_Mechanisms_of_Pathogenicity/12.1.02%3A_How_Pathogens_Cause_Disease
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Bookshelves/Microbiology/Microbiology_(OpenStax)/15%3A_Microbial_Mechanisms_of_Pathogenicity/15.02%3A_How_Pathogens_Cause_Disease
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Courses/City_College_of_San_Francisco/Introduction_to_Microbiology_(Liu_et_al.)/17%3A_Pathogenicity_and_Virulence_Factors/17.01%3A_Stages_of_Pathogenesis
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Courses/City_College_of_San_Francisco/Introduction_to_Microbiology_(Liu_et_al.)/16%3A_Microbial_Mechanisms_of_Pathogenicity/16.03%3A_Koch_Postulate_and_Molecular_Koch_Postulate
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.
  • https://bio.libretexts.org/Courses/New_England_College/Microbiology_with_NEC/11%3A_Microbial_Pathogenicity_and_Epidemiology/11.01%3A_Characteristics_and_Steps_of_Infectious_Diseases
    In an infection, a microorganism enters a host and begins to multiply. Symptoms of a disease are subjective and are reported by the patient. Diseases can either be noninfectious (due to genetics and e...In an infection, a microorganism enters a host and begins to multiply. Symptoms of a disease are subjective and are reported by the patient. Diseases can either be noninfectious (due to genetics and environment) or infectious (due to pathogens). Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy
  • https://bio.libretexts.org/Courses/Prince_Georges_Community_College/PGCC_Microbiology/01%3A_Introduction_to_Microbiology/1.06%3A_History_of_Microbiology/1.6.05%3A_Koch's_Postulate
    Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disea...Koch’s postulates are used to determine whether a particular microorganism is a pathogen. Molecular Koch’s postulates are used to determine what genes contribute to a pathogen’s ability to cause disease. Virulence, the degree to which a pathogen can cause disease, can be quantified by calculating either the ID50 or LD50 of a pathogen on a given population. Primary pathogens are capable of causing pathological changes associated with disease in a healthy individual.

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