More from Debora Mackenzie
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Health
Time to stamp out bird flu at source
News
Health
Bird flu might be less deadly than feared
News
Health
First human bird flu deaths outside East Asia
News
Health
Crops leave surprises in our guts
News
Health
Special feature: The bird flu threat
Features
Environment
Deep-sea fish species decimated in a generation
News
Health
Review 2005: Bird flu flies the coop
News
Health
Tests dash hopes of rapid production of bird flu vaccine
News
Earth
Sloppy copying makes viruses more deadly
News
Health
Fruit bats may harbour deadly Ebola
News
Health
Official Chinese bird flu deaths could be ‘tip of iceberg’
News
Health
Expert says bird flu has killed 300 people in China
News