hospital acquired infection have 2 origins: 1) infections acquired from the hospitalization. 2) infections that transmit from hospital personnel and those who referred to a hospital. according to the studies approximately half of hospital acquired infection is under the first group. gram-negative bacilli is of prime importance from all bacteries that caused hospital acquired infection. there ar...

background infections in critical care unit are high, and they are serious hospital problems. infections acquired during the hospital stay are generally called nosocomial infections, initially known as infections arising after 48 h of hospital admission. the mostfrequent nosocomial infections (urinary, respiratory, gastroenteritis and blood stream infection) were common in patients at hospital....

Infection control and hospital-acquired infection (HAI) prevalence have recently attracted much attention especially in developing countries. The aim of this study was to estimate the prevalence of HAI in public hospitals in Tehran, Iran, more specifically, to determine the epidemiological status of nosocomial infections in intensive care units (ICUs) of 3 public hospitals. The study was conduc...