A parasitic disease caused by organisms that live primarily on the surface of the host.

Examples:

• Scabies (mite)

• Crab louse (pubic lice)

• Pediculosis (head lice)

Insecta

• Lice (singular: louse): body louse, head louse, crab louse

• Hemiptera: bed bug

• Fly: dermatobia hominis etc. (myiasis)

• Flea: tunga penetrans (tungiasis)

Crustacea

• ...

Scabies and other ectoparasites (NTDs)