Q. Differentiate between sterilization and disinfection?
1) Sterilization is defined as freeing the object or substance from all life of any kind. It is the process by which an article, surface or medium is freed of fall micro-organisms either in the vegetative or spore state.
Disinfection means the killing removal or destruction of organisms capable of causing infection namely pathogens.
2) Cross contamination is the passage of micro-organisms from one person to another via any route direct or indirect.