Surveillance for severe acute respiratory infections (SARI) in hospitals in the WHO European region - an exploratory analysis of risk factors for a severe outcome in influenza-positive SARI cases

Risk factors associated with fatal influenza, Romania, October 2009 - May 2011

(2013) Laurentiu Zolotusca et al.   Influenza and Other Respiratory Viruses

Unequal access to vaccines in the WHO European Region during the A(H1N1) influenza pandemic in 2009

(2013) Pernille Jorgensen et al.   VACCINE

Populations at risk for severe or complicated influenza illness: systematic review and meta-analysis

(2013) D. Mertz et al.   BMJ-British Medical Journal

Surveillance of hospitalised severe cases of influenza A(H1N1)pdm09 and related fatalities in nine EU countries in 2010-2011

(2012) René Snacken et al.   Influenza and Other Respiratory Viruses

Mortality due to pandemic (H1N1) 2009 influenza in England: a comparison of the first and second waves

(2011) O. T. MYTTON et al.   EPIDEMIOLOGY AND INFECTION

Epidemiological analysis of severe hospitalized 2009 pandemic influenza A (H1N1) cases in Catalonia, Spain

(2011) Neus Cardeñosa et al.   Human vaccines & immunotherapeutics

Risk factors for hospitalization and severe outcomes of 2009 pandemic H1N1 influenza in Quebec, Canada

(2011) Rodica Gilca et al.   Influenza and Other Respiratory Viruses

Seasonal influenza vaccine provision in 157 countries (2004–2009) and the potential influence of national public health policies

(2011) Abraham Palache   VACCINE

Risk Factors for Severe Outcomes following 2009 Influenza A (H1N1) Infection: A Global Pooled Analysis

(2011) Maria D. Van Kerkhove et al.   PLOS MEDICINE

Comparative age distribution of influenza morbidity and mortality during seasonal influenza epidemics and the 2009 H1N1 pandemic

(2010) Magali Lemaitre et al.   BMC INFECTIOUS DISEASES

Hospitalized Children with 2009 Pandemic Influenza A (H1N1): Comparison to Seasonal Influenza and Risk Factors for Admission to the ICU

(2010) Dayanand Bagdure et al.   PLoS One

Concurrent comparison of epidemiology, clinical presentation and outcome between adult patients suffering from the pandemic influenza A (H1N1) 2009 virus and the seasonal influenza A virus infection

(2010) K. K. W. To et al.   POSTGRADUATE MEDICAL JOURNAL

Factors Associated With Death or Hospitalization Due to Pandemic 2009 Influenza A(H1N1) Infection in California

(2009) Janice K. Louie   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION