Given below are the pairs of pathogens and the diseases caused by them. Which out of these is not a matching pair and why?

(a) Virus	common cold
(b) Salmonella	typhoid
(c) Microsporum	filariasis
(d) Plasmodium	malaria

Virus- Common cold:

Common cold is caused by Rhinovirus which affects the nasal chamber and the respiratory pathway



Salmonella- Typhoid:

Salmonella typhi causes typhoid. The common symptoms of typhoid are high fever, weakness, stomach pain, loss of appetite and constipation.



Microsporum-Ringworm:

Ringworm is a fungal infection which is caused by three genera:
Trichophyton: Affects the hair, nails and the skin
Epidermophyton: Affects the skin and the nails
Microsporum: Affects the hair and skin


Plasmodium- Malaria:

Malaria is caused by a protozoan parasite, Plasmodium.



Final answer (c) Microsporum - filariasis