Question

What are Pathogens?
$\: \: \:$
​

Answer 1

A pathogen is simply defined as an organism that has the potential to cause infectious diseases in its host. Most pathogens are able to avoid the immune responses of the host, triggering associated illnesses. ... The most common types of pathogens are viruses, bacteria, and fungi.

Answer 2

Answer:

A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence. Pathogens are taxonomically widely diverse and comprise viruses and bacteria as well as unicellular and multicellular eukaryotes.