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Virus Detection Rate Between Samples of Sputum and Bronchoalveolar Lavage Fluid in Mice (n = 60)
| Group | Sputum sample positive (strain) | Bronchoalveolar lavage fluid positive (strain) | X 2 | p |
|---|---|---|---|---|
| Virus | 31 | 45 | 6.065 | 0.014 |
| Rate | 51.67% | 75.00% |
Note: n = 60, enumeration data were assessed using chi-square test to evaluate differences among groups
