As shown in Figure 1, the search strategy yielded a total of 225
articles. Two hundred seven were excluded because they did not
meet our inclusion criteria, primarily because they were related to
ambulatory specialty care clinics and centers or described dedicated
disease specific surveillance, and/or surveillance that was
established as part of research studies. The full text of 18 articles
was read and only 2 were identified as meeting the inclusion criteria.
Both studies described the use of electronic infection
surveillance systems in primary care at university health care systems
to track respiratory viral infections. A summary of each follows.