Participating state, city, county, and territorial health departments and public health laboratories; US World Health Organization collaborating laboratories; National Respiratory and Enteric Virus Surveillance System collaborating laboratories; US Outpatient Influenza-Like Illness
Surveillance Network; Influenza Hospitalization Surveillance Network; Influenza-Associated Pediatric Mortality Surveillance System; 122 Cities Mortality Reporting System.
A study conducted by Kaiser and the CDC found that the flu vaccine was only 25% effective against influenza-like illness
, and 49% effective against pneumonia and flu, which is defined as a subset of influenza-like illness
(MMWR 2004;53:707-10), she said.
In a retrospective cohort study of 3,100 vaccinated workers at a children's hospital, 16% of 1,818 survey respondents reported having an influenza-like illness
, and 13 of the 28 patients tested for influenza tested positive.
8, 2003, that the national percentage of influenza-like illness
dropped below the national baseline of 2.
2% of the adults had influenza-like illness
associated with laboratory-documented influenza B infection.
Outpatient Influenza-Like Illness
Surveillance Network); 3) mortality (122 Cities Mortality Reporting System and influenza-associated pediatric mortality reports); 4) hospitalizations (FluSurvNet, which includes the Emerging Infections Program and surveillance in four additional states); and 5) summary of geographic spread of influenza (state and territorial epidemiologist reports).
Thus, for CEP data reporting," he says "patients were considered to have an influenza-like illness
when fever was present along with one or more of the following: upper respiratory infection, cough, sore throat, or nasal congestion.
In the second week of November 2011, patient A, a previously healthy female child, experienced acute onset of influenza-like illness
Preliminary guidelines for the prevention and control of influenza-like illness
among passengers and crew members on cruise ships.
The proportion of patient visits to sentinel providers for influenza-like illness
(ILI) overall was 5.
Outpatient Influenza-like Illness
Surveillance Network (ILINet); 5) the 122 Cities Mortality Reporting System; and 6) the Influenza-Associated Pediatric Mortality Reporting System.
Epidemiologic mapping using the "kriging" method: application to an influenza-like illness
epidemic in France.