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There is no evidence that the Bacille Calmette-Guérin vaccine (BCG) protects people against infection with COVID-19 virus. Two clinical trials addressing this question are underway, and WHO will evaluate the evidence when it is available. In the absence of evidence, WHO does not recommend BCG vaccination for the prevention of COVID-19. WHO continues to recommend neonatal BCG vaccination in countries or settings with a high incidence of tuberculosis. There is experimental evidence from both animal and human studies that the BCG vaccine has non-specific effects on the immune system. These effects have not been well characterized and their clinical relevance is unknown
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A | COVID-19 positive with positive tuberculin test |
| |
| Group B | COVID-19 positive with negative tuberculin test |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tuberculin test | Diagnostic Test | Test the delayed hypersensitivity reaction and immunity to previous BCG vaccination |
|
| Measure | Description | Time Frame |
|---|---|---|
| Pneumonia severity index | severity of COVID-19 pneumonia | 2 weeks |
| Need for ICU admission | severe pneumonia indicating invasive or non invasive mechanical ventilation | 2 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| COVID -19 test conversion | number of days to cure from COVID-19 disease | 2 weeks |
| Mortality | frequency of fatalities | 2 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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All cases admitted with proven COVID-19 positive disease will be included, tested with tuberculin test positive and negative ( History of previous BCG or not)
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| AssiutU | Recruiting | Asyut | 71111 | Egypt |
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| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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| ID | Term |
|---|---|
| D014374 | Tuberculin Test |
| ID | Term |
|---|---|
| D012882 | Skin Tests |
| D007159 | Immunologic Tests |
| D019411 | Clinical Laboratory Techniques |
| D019937 | Diagnostic Techniques and Procedures |
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| D014777 |
| Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D003933 | Diagnosis |
| D008919 | Investigative Techniques |
| D007158 | Immunologic Techniques |