V200406

Perimeter

The Global Influenza Hospital Surveillance Network (GIHSN) is a platform able to generate strong epidemiological and medical evidence on influenza severity and to support vaccine strain selection through timely sharing of clinical and laboratory data. GIHSN can inform policy decisions and national health authorities and serve as a network for improved influenza related capacity building and response.

Data is collected during each flu season with on-line questionnaire on the GIHSN platform and can be visualized in the analysis modules. 

The GIHSN network includes currently 23 sites worldwide :

  • Argentina
  • Bangladesh
  • Brazil (Curitiba)
  • Canada
  • China - Shangai
  • China - Wuhan 
  • France – Lyon
  • France - PARIS
  • India
  • Ivory Coast
  • Kenya
  • Lebanon
  • Mexico
  • Nepal
  • Peru
  • Romania
  • Russian Federation - Moscow
  • Russian Federation - Saint Petersburg
  • Serbia
  • South Africa
  • Spain - Valencia
  • Turkey
  • Ukraine

The sites are not-for-profit institutions coordinating local hospitals networks. In May each year there is a call for proposal for the upcoming flu season. A selection of sites is done by the Executive Committee of the Foundation for Influenza Epidemiology based on the quality of the proposal and the capacities of the site.

Data source

The data visualized on the platform is collected by the sites (see list here above) through on-line questionnaires that are established by the Scientific Committee of the network. The variables collected might differ slightly between seasons.

Available variables 

Variables currently collected by the GIHSN sites :

Patients 5 years of age and more :

Description :

  • Does the patient comply with any of the admissiondiagnosis listed in Annex 1?
  • Admission diagnosis (letter/code.subcode
  • ICD used
  • Date of admission 
  • What is the hospital ID? 
  • Patient study identification number 
  • Sex 
  • Age in years 

Have you had one of these symptoms in the last 7days prior to admission ? Fever 

Have you had one of these symptoms in the last 7days prior to admission ? Malaise 

Have you had one of these symptoms in the last 7days prior to admission ? Headache 

Have you had one of these symptoms in the last 7days prior to admission ? Myalgia 

Have you had one of these symptoms in the last 7days prior to admission ? Cough 

Have you had one of these symptoms in the last 7days prior to admission ? Sore throat 

Have you had one of these symptoms in the last 7days prior to admission ? Shortness of breath 

Have you had one of these symptoms in the last 7days prior to admission ? Nasal congestion  

Does the patient comply with the GIHSN ILI casedefinition and the 7 days criteria ? 

Date of swabbing 

Does the patient have a positive result ? If yes, which ones corresponding to the positive virus(es) 

H1N1pdm09 

H3N2 

B/Yamagata 

B/Victoria 

Influenza A no lineage 

Influenza B no lineage 

Did you test for other respiratory viruses ? 

  • Coronavirus 
  • Metaneumovirus 
  • Respiratorysyncytial virus 
  • Adenovirus 
  • Bocavirus 
  • Parainfluenzavirus 
  • Rhinovirus 

Have you detected a co-infection ? 

  • Pregnancy status 
  • Number of weeks 

Does the patient have any chronic conditions ? 

  • Cardiovascular disease 
  • Chronicobstructive pulmonary disease 
  • Asthma 
  • Diabetes 
  • Immunodeficiency (except HIV) /Organ transplant 
  • Renal impairment 
  • Rheumatologic disease / Autoimmune disease 
  • Neurologicalor neuromuscular disease 
  • Cirrhosis/ Liver disease 
  • Neoplasm(active) 
  • Obesity 
  • Active tuberculosis 
  • HIV infection
  • Leukemia 
  • Hemoglobinopathies 

Prescriptions of antiviral for the current episode ? 

Starting Date 

Prescription of antibiotics preceding this admission?  

Starting Date 

What is the baseline frailty score of the patient ? 

Influenza vaccination for the current season 

Vaccinated more than 14 days before onset of the ILI symptoms 

Influenza vaccination in the preceding season ? 

Confusion/lethargy at admission 

Blood pressure (systolic/diastolic) 

Respiratory rate at admission (breaths per minute) 

Supplemental oxygen without mechanical ventilation 

Vasopressor support 

Mechanical ventilation 

Apnea 

ICU admission 

Death while hospitalized 

Discharge/death date 

Discharge to another hospital  

Main diagnose at discharge/death (letter/code.subcode) 

Secondary 1 diagnose at discharge/death(letter/code.subcode) 

Secondary 2 diagnose at discharge/death(letter/code.subcode) 

ICD used 

What is the frailty score of the patient at discharge ? 

Did you submit the sample to GISAID EpiFlu™ database ? 

GISAID Accession Number 

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