Flu crisis alarm grows as deadly virus surges
How scared should we be about the latest flu outbreak? One hundred years after Spanish flu killed 50 million people, thousands across the world are falling victim to another fatal epidemic.
Deadly defrosted virus revives pandemic fears
An ancient pathogen in Siberia’s permafrost has been brought back to life. Experts warn that global warming could reawaken long-dormant biological threats. How worried should we be?
Blockbuster movie aims to spread fear of pandemic
Disaster film 'Contagion' has been praised for its frightening portrayal of a virulent disease outbreak. Scientists warn that this fictional horror is a real life threat.