News & Perspective

Aug 08, 2011

Aug 08, 2011

Study puts global 2009 H1N1 infection rate at 11% to 21%

(CIDRAP News) – Researchers who combed through scores of serologic studies estimate that the global cumulative incidence of pandemic H1N1 influenza infection before vaccines became available was probably below 20%, far lower than the 50% that pandemic planners had envisioned as a possible worst case.

Oct 13, 2010

Oct 13, 2010

H3N2 a player in early Northern Hemisphere flu season

(CIDRAP News) – More signals suggest the Southern Hemisphere's flu season is winding down, while activity is low at the start of the Northern Hemisphere's flu season, except in China, which is seeing moderate H3N2 circulation.

Sep 27, 2010

Sep 27, 2010

Flu makes late-season statement in parts of Southern Hemisphere

(CIDRAP News) – Flu activity is showing a late-season flourish in some parts of the Southern Hemisphere, such as Chile, where levels in some areas exceed last year's pandemic peak, and in parts of Australia, the World Health Organization (WHO) said in its most rent influenza update.

Aug 10, 2010

Aug 10, 2010

WHO says H1N1 pandemic is over

Note: Substantial material was added to this article at 6:15 p.m. US Central Time on the WHO's pandemic response and the role of public health going forward.

(CIDRAP News) – The head of the World Health Organization (WHO) today declared the H1N1 influenza pandemic over, saying worldwide flu activity has returned to typical seasonal patterns and many people have immunity to the virus.

Jul 30, 2010

Jul 30, 2010

WHO: Flu active in parts of tropics, Southern Hemisphere

(CIDRAP News) – The World Health Organization (WHO) today said pandemic and seasonal flu activity across the globe is low, but said activity is increasing in some parts of the Southern Hemisphere, with significant action still occurring in certain tropical areas, such as India.

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