pathogen

As nouns the difference between pathogen and nonpathogen

is that pathogen is any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease while nonpathogen is an organism that is not a pathogen.

As nouns the difference between flu and pathogen

is that flu is influenza while pathogen is (pathology|immunology) any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

As an adjective paranormal

is that cannot be explained by scientific methods.

As a noun pathogen is

any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

As nouns the difference between pathogen and host

is that pathogen is any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease while host is one which receives or entertains a guest, socially, commercially, or officially.

As a verb host is

to perform the role of a host.

As nouns the difference between agent and pathogen

is that agent is one who exerts power, or has the power to act; an actor while pathogen is any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

As nouns the difference between pathogen and spore

is that pathogen is (pathology|immunology) any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease while spore is spore.

As nouns the difference between pathogen and commensal

is that pathogen is any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease while commensal is an organism partaking in a commensal relationship.

As an adjective commensal is

of a form of symbiosis in which one organism derives a benefit while the other is unaffected.

As nouns the difference between pest and pathogen

is that pest is plague while pathogen is (pathology|immunology) any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

As nouns the difference between pathogen and epidemiology

is that pathogen is (pathology|immunology) any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease while epidemiology is (sciences) the branch of a science dealing with the spread and control of diseases, viruses, concepts etc throughout populations or systems.

As nouns the difference between pathogen and infection

is that pathogen is any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease while infection is the act or process of infecting.