Influenza — Worldwide/Unknown
[18 May 2015, based on data up to 2 May 2015]
Summary
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Globally, influenza activity has been low. In the northern hemisphere influenza activity was nearing interseasonal levels and in the southern hemisphere influenza activity remained low. Countries in the tropical zones reported low influenza activity with the exception of some countries in tropical Asia and West Africa.
– In North America, influenza activity continued to decrease and was near inter-seasonal levels. Continued
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