News & Perspective

Feb 09, 2012

Feb 09, 2012

Undetected H5N1 cases seem few, but questions persist

(CIDRAP News) – The fatality rate for officially confirmed human cases of H5N1 avian influenza infection is a stunningly high 59% (345 deaths in 584 cases). But the current controversy over publishing data about transmissible H5N1 viruses has revived a debate about whether the virus is as lethal as those numbers say.

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