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Active clinical trials for "Influenza, Human"

Results 1881-1890 of 1970

Adjuvanted Influenza Vaccination Year 2 Follow-On Survey

InfluenzaInfluenza-like Illness2 more

The purpose of this study is to determine if different influenza vaccines produce different outcomes in nursing facility residents receiving the required annual influenza vaccination.

Completed7 enrollment criteria

QuickVue Influenza A + B Test Field Study

Influenza AInfluenza B

Demonstrate improved clinical performance of visually read QuickVue Influenza A+B test.

Completed14 enrollment criteria

Specific Respiratory Infections as Triggers of Acute Medical Events

InfluenzaHuman6 more

This study will investigate whether there is a population-level association between circulating respiratory viruses and NHS hospital admissions for acute vascular events using data from national infection surveillance and Hospital Episode Statistics.

Completed3 enrollment criteria

Comparison of COVID-19 and H1N1 Influenza Pneumonia

COVID-19H1N1 Influenza

To explore the different clinical and CT features distinguishing COVID-19 from H1N1 influenza pneumonia.

Completed2 enrollment criteria

Detection of Influenza or SARS-CoV-2 Infection by IMS of Nasal Air Sampling

Influenza

Multicapillary Ion mobility spectrometry of nasal air aspirates shall be investigated as screening tool for the detection of Influenza and SARS-CoV-2- infection.

Completed4 enrollment criteria

Prevalence of Influenza RelAted Invasive Aspergillosis

Invasive Pulmonary AspergillosisInfluenza1 more

This is a multicenter study with the aim to determine the prevalence of influenza-related invasive pulmonary aspergillosis in Swedish intensive care units and to assess the clinical impact of and risk factors for influenza-related invasive pulmonary aspergillosis

Completed3 enrollment criteria

Characterization of Influenza-like Illness in Mexico

Influenza-like Illness

A study to characterize children and adults with influenza like symptoms and to determine risk factors for severe disease and death among those with H1N1.

Completed8 enrollment criteria

Influenza Vaccine Postpartum Questionnaire

InfluenzaVaccine1 more

The purpose of this trial is to assess the knowledge and attitudes of post-partum women regarding influenza and the use of the influenza vaccine in pregnancy.

Completed2 enrollment criteria

China Case Control Avian Influenza

Influenza

This study will determine risk factors of human infection with avian influenza A virus, also known as bird flu virus. Certain risk factors such as exposure to poultry, travel history, health status, and other factors may affect one's risk of getting bird flu. Study participants will include individuals, older than age 1, that tested positive for influenza A (H5N1) in a previous surveillance program and controls (individuals that have not tested positive for avian influenza A (H5N1) and have no fever or respiratory symptoms). There will be 1 study visit during which volunteers will be asked detailed questions about their health, work, and travel habits. Study participants will be asked to donate a blood sample to test for antibodies, the part of the blood that fights infection.

Completed8 enrollment criteria

Influenza Vaccine in Lung Transplant Patients - Seroprotection

Influenza

This a sub-study of a 5-year study designed to investigate how antibody and T cell responses following influenza vaccine compare among lung transplant patients, patients waiting for lung transplantation, and healthy individuals. This study is designed to investigate two different definitions of influenza vaccine seroprotection at mid-season in lung transplant patients.

Completed6 enrollment criteria
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