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Comparison of High Dose vs. Standard Dose Influenza Vaccines in Lung Allograft Recipients
Lung allograft recipients have a higher burden of influenza disease and greater associated morbidity and mortality compared with healthy controls. Induction an…
Immunogenicity and Safety of Consecutive High-Dose vs. Standard-Dose Influenza Vaccines Administered Over Successive Seasons in Lung Transplant Recipients
This will be a follow-up study to the "Comparison of High Dose vs. Standard Dose Influenza Vaccine in Lung Allograft Recipient" study (DMID Protocol Number 22-…
Influenza Immunization in Adults Over Age 75
The immune system is the part of the body that protects against infection. The immune system often doesn't work as effectively as people get older. This resear…
Comparison of High vs Standard Dose Influenza Vaccines in Pediatric Solid Organ Transplant Recipients
Influenza virus is a significant pathogen in pediatric solid organ transplant (SOT) recipients. However, these individuals respond poorly to standard-dose (SD)…
A Phase IIIb Multicenter, Single-arm, Open-label Surveillance Study of Susceptibility to Baloxavir Marboxil in Pediatric Patients With Influenza and Transmission of Influenza to Household Contacts
This study consists of two parts: Part A Surveillance and Part B Transmission. The main purpose of Part A is to evaluate the prevalence of pre-dose and treatm…
CSP #2038 - COVID-19 Pharmacotherapy Effectiveness in the VA Healthcare System (COPE-VA)
The purpose of this study is to comprehensively describe the temporal and geographic utilization of COVID-19 therapies used for mild to moderate disease during…
Study of Immune Responses to Influenza Vaccination
Better understanding of the immune responses to influenza vaccination is needed in order to understand situations of poor vaccine response. Adults will receive…
The Effects of Woodsmoke Exposure on Nasal Immune Responses to Influenza Infection in Normal Human Volunteers
This study will investigate the effects of woodsmoke (WS) exposure on human nasal mucosal immune responses to viral infection. The study tests the hypotheses t…
EVax-3: Human Upper and Lower Airway Mucosal Immune Response to FluMist Vaccination
The goal of this clinical trial is to measure the immune response in the blood, nose, and lungs after participants receive either the FDA-approved inactivated …
Natural History of Systemic and Nasal Mucosal Immunity to Influenza and SARS-CoV-2 in Adults After Vaccination
Background: Influenza (flu) vaccinations are required for all NIH staff members who have direct contact with patients. COVID-19 vaccines are recommended for p…
Influenza Human Challenge Model Using H3N2 (A/Texas/71/2017 (H3N2), Clade 3C3a)
This study is designed to help us better understand how the immune system responds to the flu and how flu is transmitted in the environment. The ultimate goal …
ORegon CHild Absenteeism Due to Respiratory Disease Study - Air Surveillance
The purpose of this observational study is to compare the effectiveness of air surveillance and to better understand the relationship between household transmi…