GC: n

S: WHO – http://www.who.int/biologicals/areas/vaccines/influenza/influenza_pathogens_disease/en/ (last access: 30 May 2016); BBC – http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/human/defendingagainstinfectionrev1.shtml (last access: 30 May 2016).

N: 1. 1880, a back-formation from pathogenic.
2. A specific causative agent (as a bacterium or virus) of disease.
3. An agent (virus, micro-organism or other substance) capable of producing disease in a susceptible plant or animal, including man.

S: 1. OED – http://www.etymonline.com/index.php?term=pathogen (last access: 30 May 2016). 2. MW – http://www.merriam-webster.com/dictionary/pathogen (last access: 30 May 2016). 3. TERMIUM PLUS – http://www.goo.gl/hDVNMk (last access: 30 May 2016).

GV: pathogene

S: TERMIUM PLUS – http://www.goo.gl/hDVNMk (last access: 30 May 2016)

SYN:
S:

CR: acatalasemia, antifungal, bacterium, carrier, enterovirus, fungus, microorganism, parasite, pathogenic, virus.