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Differentiate between vectors and pathogens?
The term pathogen is taken from the Greek word, where 'pathos' means 'diseases', 'suffering' and 'genes' means 'producer of' or 'born of'.
Typically the term is used to describe an infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus or anything that can produce disease. It may also be referred to as an infectious agent, or simply a germ.
On the other hand,
Vectors are a carrier or any agent which carries and transmits an infectious pathogen into another living organism or to its host.
Example- For Dengue Fever, the pathogen is a 'Virus' called DENV, and the vector is a mosquito called "Aedes".
For Malaria, the pathogen is a 'Protozoan' called plasmodium, and the vector is a mosquito called "Anopheles".
In simple words, a pathogen is defined as the cause of a disease, while a vector is a carrier of a pathogen.
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