The 1990 case definition appearing on this page was re-published in the 1997 MMWR Recommendations and Reports titled Case Definitions for Infectious Conditions Under Public Health Surveillance [MMWR 1997;46(RR10)] (available at http://www.cdc.gov/mmwr/preview/mmwrhtml/00047449.htm). Thus, the 1990 and 1997 versions of the case definition are identical.
A syndrome characterized by acute onset of meningeal symptoms, fever, and cerebrospinal fluid pleocytosis, with bacteriologically sterile cultures. (See Encephalitis, Arboviral.)
Laboratory criteria for diagnosis
- No evidence of bacterial or fungal meningitis
Confirmed: a clinically compatible illness diagnosed by a physician as aseptic meningitis, with no laboratory evidence of bacterial or …
Statewide Temporal Trend of Influenza-Like Illness by MMWR Week
(2007-08, 2008-09,2009-10, 2010-11 Seasons)
The figure below displays the number of influenza-like illness (ILI) cases reported during the 2007-08, 2008-09, 2009-2010 and 2010-2011 influenza seasons. ILI is defined as fever > 100˚ F AND cough and/ or sore throat without another identified cause. ILI can be caused by a variety of respiratory viruses, so data should always be interpreted in the context of laboratory data. ILI cases are reported by physicians to local health departments. Local health departments report the data weekly to the state. The Centers for Disease Control and …