scabies ,Itching,Itching,

Outbreaks of scabies are more common in nursing homes, nursing facilities, and child care centers.

The
mites that cause scabies burrow into the skin and deposit their eggs,
forming a burrow that looks like a pencil mark. Eggs mature in 21 days.
The itchy rash is an allergic response to the mite.

Scabies is spread by skin-to-skin contact with another person who has scabies.

Symptoms

• Itching, especially at night

• Itching,, especially between the fingers

• Sores (abrasions) on the skin from scratching and digging

• Thin, pencil-mark lines on the skin

for more info http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0004295/