Saturday, September 29, 2012

WHO: Influenza update

September 28, 2012 - Update number 169


• Seasonal influenza transmission has not been picked up yet in the northern temperate zone. Most countries in this zone have started or are yet to begin seasonal reporting.
• In the tropical areas most countries are reporting low or decreasing trends of influenza detections. The exceptions are Nicaragua in the Americas and India and Thailand in Asia.
• Influenza activity decreased in most of the temperate countries of the southern hemisphere. Australia, Chile, New Zealand, Paraguay and South Africa continue to report declines in influenza indicators. On the other hand, Argentina has reported some late influenza activity.
• WHO has recommended the influenza vaccine composition for use in the 2013 southern hemisphere influenza season following technical consultations in September 2012.

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