Head louse

Head louse

On us and in us

Eyelash mites

Eyelash mites

On us and in us

bed bug

Bed bug

On us and in us

tick

Tick

On us and in us

Tape worm

Tape worm

On us and in us

Nematode worm

Nematode worm

On us and in us

Mouth bacteria

Mouth bacteria

On us and in us

Mange mite

Mange mite

On us and in us

leech

Leech

On us and in us

E. coli bacteria in the kidney

E. coli bacteria in the kidney

On us and in us

Human flea

Human flea

On us and in us