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Influenza activity in the United States edged slightly higher during Thanksgiving week.
Some influenza markers are down, others up, and regions are seeing widely varying case levels.
The CDC said flu is still hitting some states hard, but overall the disease continues to decline.
US flu activity continues a slow decline, similar to Canada, while Europe shows mixed activity.
A late-season "flu B" surge serves as a reminder that it can be severe in adults, as a recent study shows.
Canada, Britain announce enhanced screening, as officials in Spain probe how a health worker was infected.
MSF says the outbreak is not over and calls for rapid response teams for hot spots.
More states are reporting their first cases and even deaths, but at the national level, flu levels remained low last week.
Flu hospitalizations are also on the rise, with the highest levels in seniors, a pattern often seen in H3N2-dominant seasons.
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CIDRAP - Center for Infectious Disease Research and PolicyOffice of the Vice President for Research, University of Minnesota, Minneapolis, MN
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