Shingles is an infection by the herpes zoster virus, which also causes chicken pox. This happens in people who have had chicken pox and the virus present in the nerve reactivates later on in life. Shingles causes a painful rash on one side of your body and can affect your ears.
Moist heat sterilization is a technique that uses heated water and superheated steam to disinfect contaminated materials, such as culture media, surgical instruments, glassware and other non-thermally sensitive items.
Heat sterilization of medical instruments is known to have been used in ancient Rome. The presence of moisture significantly speeds up heat penetration (steam sterilization). The autoclave, invented in 1879, combines heat and moisture with elevated pressure.