pathogen

As nouns the difference between pathogen and antigen

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 antigen is antigen.

As nouns the difference between parasite and pathogen

is that parasite is (pejorative) a person who lives on other people's efforts or expense and gives little or nothing back 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 a noun 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 bloodborne is

(medicine) usually of a pathogen, carried in the bloodstream and other body fluids.

As nouns the difference between pathogen and guardee

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 guardee is (rare) guardsman.

As a noun 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 antipathogenic is

that acts against pathogens.

As nouns the difference between pathogen and camalexin

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 camalexin is the phytoalexin 3-thiazol-2'yl-indole'' produced by ''arabidopsis plants in response to infection with the bacterial pathogen.

As nouns the difference between pathogen and antipathogen

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 antipathogen is (medicine) any drug that counters the effects of a pathogen.

As a noun 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 a verb seroconvert is

to become seropositive: to be infected by a bloodborne pathogen.

As a noun 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 seronegative is

.