Map Legend | |||
Weekly influenza activity levels, as reported by state health departments. |
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No Report No report available at this time. |
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No Activity No reported cases of laboratory-confirmed or influenza-like illness. |
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Sporadic Influenza cases, either laboratory-confirmed or influenza-like illness, are reported, but reports of outbreaks in places such as schools, nursing homes, and other institutional settings have not been received. |
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Local Activity Laboratory-confirmed influenza cases are reported in one region, but influenza-like illness in other regions of the state is not increased. Reports of influenza outbreaks or influenza-like illnesses in at least two institutions (such as schools or nursing homes) in a single region also qualify as "local." |
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Regional Outbreaks of either laboratory-confirmed influenza or influenza-like illness are occurring in geographic areas containing less than 50% of the state's population. A geographic area could be a city, county, or district. |
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Widespread Outbreaks of either laboratory-confirmed influenza or ILI are occurring in geographic areas representing more than 50% of the state's population. |
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Source: Influenza Branch, U.S. Centers for Disease Control and Prevention (CDC) | |||
This is a problem...most doctors and hospitals don't test for the specific flu that patients come in with, because it's ASSUMED it isn't H5N1.
But if/when H5N1 comes to the USA, it's going to be underdiagnosed, just as the cases in Turkey were.