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Last updated October 1, 2025, at 1:53 PM EST.
Page Relocation - Single match
The page you were seeking has been moved. You will be automatically redirected to the new location within 10 seconds. Alternatively, you can proceed immediately by visiting the new link.
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Page Relocation – Multiple Matches
The page you were looking for has been moved. Please review the following options:
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Page Moved to CDC Archive
The requested page has been relocated to the Centers for Disease Control and Prevention (CDC) archive at archive.cdc.gov. This archive preserves historical CDC content.
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