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See the list of featured NIAID clinical trials below or view the complete list of NIAID studies recruiting participants on ClinicalTrials.gov.

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Flu (Influenza)
Maryland
4 Results

Coronaviruses and Flu (Influenza)

Study of the Immune Response to the Seasonal Influenza Vaccine and How Previous Infection With SARS-CoV-2 May Change That Response

This study evaluates the response of the immune system, the part of the body that helps fight infections, to the seasonal influenza vaccine in healthy individuals and also investigates whether prior SARS-CoV-2 infection may change that response.

Flu (Influenza)

Dose, Safety, Tolerability and Immunogenicity of an Influenza H1 Stabilized Stem Ferritin Vaccine, VRCFLUNPF099-00-VP, in Healthy Adults

The flu is a common viral infection that can be deadly for certain people. Vaccines against flu have been developed to teach the body to prevent or fight the infection. A new vaccine may help the body to make an immune response to H1 flu, a flu strain that infects humans.

Evaluating the Safety and Efficacy of Anti-Influenza Intravenous Hyperimmune Immunoglobulin (IVIG) in Adults Hospitalized With Influenza

The purpose of this study is to evaluate whether IVIG can reduce the severity and duration of flu in people who are hospitalized with the flu.

Influenza in People With Normal and Weakened Immune Systems

This study will evaluate how the immune system responds to influenza infection and compare how the infection differs in patients with a weakened immune system versus those with a healthy immune system.