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Summary of influenza A (H3N2) variant (H3N2v) case ascertainments, United States, August 2011–July 2012
| Source of case ascertainment | # of H3N2v cases |
|---|---|
| ER/Hospitals | 5 |
| Outpatient provider | 3 |
| Healthcare site conducting special study into influenza |
2 |
| H3N2v case investigations | 3 |
