P. Brachman’s scientific contributions

... Passive surveillance means collecting data for other purposes, like samples which are regularly collected from patients can be tested for nosocomial infectious agents and Active surveillance means data collection for the specific purpose, and these are the types based on data collection (Morley, 2004). But the sensitivity of active surveillance is greater than the passive surveillance (Brachman, 1993). ...

Reference:

Nosocomial Infections and their Surveillance in Veterinary Hospitals

... Since the 1950s, when staphylococcal epidemics began to plague hospitals, the problem of nosocomial infections has emerged as a major public health issue. It is estimated that around 5 per cent (1) of the 35 million patients admitted to US hospitals (2) each year acquire such infections. In addition to the resulting morbidity and mortality, nosocomial infections have contributed sUbstantially to the increasing cost of hospital care (3). ...

Reference:

1980 The SENIC Project--summary of study design