Validity of clinical case definitions for influenza surveillance among hospitalized patients: results from a rural community in North India.

ABSTRACT:

Objective

Clinical case definitions used for influenza surveillance among hospitalized patients vary and need systematic evaluation. DESIGN, SETTING AND SAMPLE: During July 2009-August 2011, we collected clinical data and specimens (nasal and throat swabs) from rural patients hospitalized for acute medical illnesses. Specimens were tested by rRT-PCR for influenza viruses.

Main outcome measures

Case definitions evaluated the following: influenza-like illness (ILI: measured fever plus cough or sore throat); severe acute respiratory illness (SARI: ILI with difficulty breathing in ≥5 years, Integrated Management of Childhood Illness-defined pneumonia or severe pneumonia, or physician diagnosed lower respiratory infection in <5 years); acute respiratory infection (ARI: ≥1 of coug

SUBMITTER: Gupta V 

PROVIDER: S-EPMC5779832 | biostudies-literature | 2013 May

REPOSITORIES: biostudies-literature