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March 2003, the World Health Organization issued global warnings about a mysterious and deadly form of pneumonia. Here, Nature's reporters pose key questions about the outbreak, and assess our preparedness to deal with future viral threats. Below, we present Nature's coverage of this global crisis, a chronology of an epidemic. All articles here are free of charge.
The world is celebrating the news that the SARS outbreak now seems to be contained. But the epidemic has revealed gaps in our defences against emerging viral diseases and the ever-looming threat of a flu pandemic.
From the moment the mysterious illness known as SARS was declared a global threat to health, virologists were racing to develop a diagnostic test. Alison Abbott visits the tiny German lab that got there first.