Is Influenza an Influenza-Like Illness? Clinical Presentation of Influenza in Hospitalized Patients

Is influenza an influenza-like illness? Clinical presentation of influenza in hospitalized patients.

BACKGROUND Early recognition of influenza virus infection in hospitalized patients can prevent nosocomial transmission. OBJECTIVE To determine the clinical presentation of influenza in hospitalized patients. DESIGN Case series. Data were collected retrospectively from medical records and included demographic information, comorbidities, clinical symptoms and signs, microbiologic test results...

Pandemic flu. Clinical management of patients with an influenza-like illness during an influenza pandemic.

Epidemiological, clinical and laboratory features of patients hospitalized with 2009 pandemic influenza in north of Iran

Background: The clinical manifestations and outcome of influenza infection differ between various patients in the world. The purpose of this study was to assess the clinical manifestations of patients with confirmed or suspected novel H1N1 flu infection in Sari, North of Iran. Methods: From September 2009 to January 2010, the patients’ data were collected by retrospective chart review of medica...

Clinical Presentation of Novel Influenza A (H1N1) in Hospitalized Children

OBJECTIVE Human pandemic influenza H(1)N(1) virus as the cause of febrile respiratory infection ranging from self-limited to severe illness has spread globally during 2009. Signs and symptoms of upper and lower respiratory tract involvement, fever, sore throat, rhinitis, myalgia, malaise, headache, chills and fatigue are common. In this article we report the clinical presentation of Influenza A...

Is influenza-like illness a useful concept and an appropriate test of influenza vaccine effectiveness?

PURPOSE To assess the utility of "influenza-like illness" (ILI) and whether it appropriately tests influenza vaccine effectiveness. PRINCIPAL RESULTS The WHO and CDC definitions of "influenza-like illness" are similar. However many studies use other definitions, some not specifying a temperature and requiring specific respiratory and/or systemic symptoms, making many samples non-comparable. M...