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Tundra lists 3 Flu Vaccine clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.
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NCT05869968
SCIVAX: Biomarkers of Immune Dysfunction and Vaccine Responsiveness in Chronic SCI
The purpose of this observational research study is to better understand immune responses to vaccines against viruses (influenza or SARS-CoV2). The goal is to determine any differences in immune responses to vaccines in uninjured people and in people living with spinal cord injuries, who are typically at increased risk of infections.
Gender: All
Ages: 18 Years - 89 Years
Updated: 2026-04-03
1 state
NCT04579588
Understanding Immunity to the Flu Vaccine in COVID-19 Patients
The purpose of this study is to measure immunity to the flu vaccine over time in patients who have had COVID-19 and may have other medical conditions including obesity, type 2 diabetes, chronic fatigue, or long-term COVID-19 symptoms. Adults and children (age 9 to 64) who had been diagnosed with COVID-19 as well as controls without COVID-19 will be invited to participate in this study.
Gender: All
Ages: 9 Years - 64 Years
Updated: 2026-03-18
1 state
NCT06824779
Impact of FLU Vaccination on Nasal Resident Memory Immune Responses and Peripheral Respiratory-tropic Memory Immune Responses
Mucosal sites, such as respiratory mucosa, are the primary entry points entry points for pathogens. However, clinical evaluation of vaccines against respiratory respiratory pathogens is currently based primarily on analysis of systemic, i.e. peripheral antibody and cellular responses. These measurements give little indication of the immune responses in respiratory tissues tissues, even though the latter are essential for protection against infection. Protective immune responses in mucous membranes, including respiratory including respiratory tissues, rely on secretory IgA to neutralize pathogens neutralization of pathogens on the mucosal surface, as well as the development of the development of cellular responses, notably those from T (Trm) and B (Brm) lymphocytes. Preclinical studies and a few human studies have demonstrated that Trm are a crucial element mucosal protection against viral and bacterial infections. In fact it has been shown that resident memory lymphocytes, including Trm, are able to able to reside in nasal, pulmonary, intestinal, genital and skin mucosa and skin after infection.
Gender: All
Ages: 18 Years - Any
Updated: 2025-12-30