US flu cases over epidemic threshold

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Influenza has reached epidemic proportions in the US, say health officials, but the outbreak may be showing signs of having peaked.

Last week 7.3% of US deaths were caused by pneumonia and the flu, just above epidemic threshold, said the US Centers for Disease Control and Prevention.

Flu activity was widespread in 47 states, up from 41 the week before.

But the worst of the flu cases could be past as the number of hardest-hit states dropped to 24 from 29.

Experts recommend flu vaccines, which have been found to be 62% effective.

http://www.bbc.co.uk/news/world-us-canada-20995491
 
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