For example, health department staff in Oregon uncovered an outbreak of E. Some health departments regularly review exposure information from individual case reports to look for common factors. So how are outbreaks uncovered? One way is to analyze surveillance data - reports of cases of communicable diseases that are routinely sent by laboratories and healthcare providers to health departments (see Lesson 5). While CDC recorded over 500 outbreaks of foodborne illness alone each year during the 1990s,( 1) recognized outbreaks of respiratory and other diseases are also common, and many more outbreaks may go undetected. Each day, health departments learn about cases or outbreaks that require investigation. Outbreaks of disease - the occurrence of more cases than expected - occur frequently. Review reports by one or more patients or members of the public.Astutely observe single events or clusters by clinicians, infection control practitioners, or laboratorians. ![]() ![]()
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