A Study of Exclusion Criteria in a University Population

Study Overview
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Brief Summary
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Much of community transmission of seasonal and pandemic influenza occurs in younger individuals, because of their susceptibility and their social interaction patterns.Universities are places where transmission of influenza is facilitated because of the age of individuals involved, their close contact with each other, and low vaccination coverage. Staying home when you are sick (i.e., voluntary sequestration) has been identified as one of the most efficient ways to reduce influenza transmission, but there are still insufficient data on the effects of social distancing to be able to make recommendations for future pandemics or even outbreaks of seasonal influenza. The investigators are conducting a study on the effect of voluntary sequestration during illness on the transmission of influenza among social networks in University residence housing units at the University of Michigan. The sequestration interventions will be carried out during a period of influenza transmission that is defined by surveillance conducted at the University Health Service. Data will be collected on use of the interventions and the occurrence of influenza and other illnesses. In all selected residence halls, specimens will be collected when illness meeting a case definition for influenza-like illness occurs. This study in a university population will evaluate the acceptability and magnitude of effect that can be expected from such an intervention, and determine the number of days that sequestration should be practiced.

Official Title
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A Randomized Study of Exclusion Criteria in a University Population

Conditions
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Influenza

Intervention / Treatment
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* Behavioral: Sequestration


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Live in a participating residence hall at the time of enrollment Be at least 18 years of age Be willing to report social habits and illness information electronically on a weekly basis Be willing to have a throat swab specimen collected if you have signs of illness during the influenza season Be willing to nominate close social contacts living in eligible residence halls for participation in the study Be willing to participate in a 3-day sequestration protocol as randomly assigned. Exclusion Criteria: Non-residence in selected Residence Halls Unwillingness to participate in voluntary sequestration protocol and complete online surveys Already study employee

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Factorial Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: 3-day sequestration<br>Students will be sequestered within their residence hall room for 3 days following influenza like illness symptoms | Behavioral: Sequestration<br>* Students will be sequestered within their residence hall room for 3 days following influenza like illness symptoms.<br>|
| No Intervention: Control<br>No intervention | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Laboratory confirmed cases of Influenza |  | 10 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Cases of influenza like illness |  | 10 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Influenza, Non pharmaceutical intervention, Sequestration, Social network