Nosocomial, or hospital-acquired, infection is a new infection that develops in a patient during hospitalization. It is usually defined as an infection that is identified at least forty-eight to seventy-two hours following admission, so infections incubating, but not clinically apparent, at admission are excluded. This type of infection is also known as a hospital-acquired infection (or more generically healthcare-associated infections). The following are among the hospital infections considered in this report: