ORCHARDS-AIR Study
ORegon CHild Absenteeism Due to Respiratory Disease Study - Air Surveillance
4 other identifiers
interventional
422
1 country
1
Brief Summary
The purpose of this observational study is to compare the effectiveness of air surveillance and to better understand the relationship between household transmission and viruses detected in the air. Participants will provide nasal swabs and have an air sample surveillance device installed in their home.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jan 2026
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 19, 2025
CompletedFirst Posted
Study publicly available on registry
December 23, 2025
CompletedStudy Start
First participant enrolled
January 7, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 1, 2026
January 22, 2026
December 1, 2025
5 months
December 19, 2025
January 21, 2026
Conditions
Outcome Measures
Primary Outcomes (7)
Rate of virus detection
Participants will provide nasal swabs, which will be tested for a panel of viruses.
Day 0, Day 7, Day 14
Rate of air sampling detection among families with documented transmission
Study team will collect and test air sampler filter for viruses.
Day 7, Day 14
Rate of air sampling detection among families without documented transmission
Study team will collect and test air sampler filter for viruses.
Day 7, Day 14
Survey of symptoms - day 0
Qualitative survey of participants' symptoms and related activities.
Day 0
Survey of symptoms - day 7
Qualitative survey of participants' symptoms and related activities.
Day 7
Survey of symptoms - day 14
Qualitative survey of participants' symptoms and related activities.
Day 14
Air sampler use survey
Qualitative survey about participants' use of the air sampler.
Day 7, Day 14
Secondary Outcomes (1)
Number of absences
14 days
Study Arms (1)
Students with ARI (acute respiratoy infection)
EXPERIMENTALStudents with ARI and their household members will provide nasal swabs
Interventions
InBio Apollo ambient air sampler to be run in the home for the duration of study participation. Material from the air, like aerosols, dust particles, and other environmental material, are collected on sampler filler material.
Participants will use a swab to collect nasal specimens
Eligibility Criteria
You may qualify if:
- Student attends, or is eligible to attend, a school within the Oregon School District (OSD)
- Study has an illness characterized by at least 2 of 6 acute respiratory infection (ARI)/ILI symptoms (nasal discharge, nasal congestion, sneezing, sore throat, cough, fever) and student scores at least 2 points on the Jackson scale
You may not qualify if:
- Household member listed on Wisconsin Department of Corrections Sex Offender Registry
- Illness onset more than 7 days before anticipated time of specimen collection
- Anatomical defect for which nasal specimen collection is contraindicated
- Student participated too recently (\<7 days from day 14 during peak influenza / COVID-19 period and \<30 days during other times, as determined by a medically-attended surveillance program)
- Live in the same household as eligible student participant
- Any age and gender
- Fluent in English
- Able to provide appropriate consent or assent
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Wisconsin-Madison
Madison, Wisconsin, 53705, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Jonathan Temte, MD, PhD
University of Wisconsin, Madison
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 19, 2025
First Posted
December 23, 2025
Study Start
January 7, 2026
Primary Completion (Estimated)
June 1, 2026
Study Completion (Estimated)
June 1, 2026
Last Updated
January 22, 2026
Record last verified: 2025-12
Data Sharing
- IPD Sharing
- Will share