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Subjects included in ongoing vitamin d intervention trials were asked by questionnaire if they were ill with influenza during the winter season 2009/2010 to see if vitamin d supplementation prevented flu like disease.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| cholecalciferol | Experimental | cholecalciferol in doses 800-6000 IU per day |
|
| placebo | Placebo Comparator | placebo identical looking as cholecalciferol capsules |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| choleclaciferol | Drug | 800-6000 IU cholecalciferol per day |
|
| Measure | Description | Time Frame |
|---|---|---|
| influenza during the winter season 2009/2010 | up to 30 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| rolf Jorde, md | University of Tromso, Norway | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Tromsø | Tromsø | Tromsø | 9037 | Norway |
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| ID | Term |
|---|---|
| D007251 | Influenza, Human |
| ID | Term |
|---|---|
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
| D009976 | Orthomyxoviridae Infections |
| D012327 | RNA Virus Infections |
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| D014777 | Virus Diseases |
| D012140 | Respiratory Tract Diseases |