Viral respiratory tract infection
MONDO:0024352A respiratory tract infection caused by a virus. Viruses represent the most common causes of upper and lower respiratory tract infections and include rhinoviruses, influenza viruses, parainfluenza viruses, and respiratory syncytial virus.
Also known as: viral respiratory tract infection
603 clinical trials for this condition and its sub-types, 47 tagged with Viral respiratory tract infection itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Viral respiratory tract infection
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Influenza 334 trials · 345 incl. sub-types
2 sub-types
- Swine influenza 35 trials
- Avian influenza 15 trials
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Respiratory syncytial virus infectious disease 168 trials · 170 incl. sub-types
1 sub-type
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Common cold 36 trials
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Viral pneumonia 27 trials
1 sub-type
- Cytomegalovirus pneumonia 0 trials Sub-types →
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Hantavirus pulmonary syndrome 2 trials
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Viral laryngitis 0 trials
Most studied deeper sub-types
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Could a nasal spray vaccine stop croup in kids?
Vaccine PausedThis study tests an experimental nasal vaccine made from a harmless virus (Sendai virus) that is similar to the one causing croup. The goal is to see if it is safe and helps children ages 1 to 5 build protection against croup. About 54 children will receive the vaccine as nose dr…
Phase 1 • Sponsor: St. Jude Children's Research Hospital • Aim: Vaccine
Last updated Jun 27, 2026 12:02 UTC
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Can a $20 fan and filter keep kids healthier at school?
Prevention CancelledThis study tests whether simple, low-cost air cleaning devices—box fans with filters and ultraviolet light lamps—placed in classrooms can reduce how often schoolchildren catch respiratory viruses like flu and COVID-19. Researchers will compare illness rates among children in clas…
Sponsor: Stanford University • Aim: Prevention
Last updated Aug 26, 2026 00:00 UTC
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New RSV prevention strategy for infants under study in bogotá
Prevention OngoingThis study will check how well two RSV prevention methods work in real life: a vaccine given to pregnant women and an antibody shot given to newborns. Researchers will follow about 1,100 infants under 6 months old who are hospitalized with severe respiratory infections in Bogotá,…
Sponsor: Bogotá District Health Secretariat • Aim: Prevention
Last updated Aug 08, 2026 00:03 UTC
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Which COVID vaccine works best? new study pits novavax against pfizer
Knowledge-focused OngoingThis study compares how well two FDA-approved COVID-19 vaccines—Novavax (a protein-based vaccine) and Pfizer (an mRNA vaccine)—trigger the immune system. Researchers will measure antibody levels against several virus variants in 54 healthy adults aged 18-79 who have risk factors …
Phase 4 • Sponsor: Henry M. Jackson Foundation for the Advancement of Military Medicine • Aim: Knowledge-focused
Last updated Sep 13, 2026 00:00 UTC
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Bird flu rechallenge: scientists Re-Infect volunteers to unlock immune secrets
Knowledge-focused By invitation onlyThis study aims to understand how the immune system responds to a second infection with a mild bird flu virus (H10N7). Healthy adults who were infected with H10N7 in a previous study will be infected again and monitored closely in the hospital for 9 days. The goal is to learn mor…
Phase 1 • Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Sep 11, 2026 00:00 UTC
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Well water worries: UV filters tested to protect kids from diarrhea
Knowledge-focused OngoingThis study looks at whether using a UV light filter on private well water can lower the chance of stomach infections in children under 5. About 900 families in Pennsylvania and New Jersey will either get a working UV filter or a fake one. Researchers will track how often kids get…
Sponsor: Temple University • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC