Soderbergh's virus thriller 'Contagion' sweeps Venice

"Contact with another person will likely seal your demise. You can't be courageous, or you'll die," said actress Gwyneth Paltrow, who plays one of the first victims of the killer bug, which leaves riots and hysteria in its wake.

Released in the midst of a real-life banking crisis, with riots across parts of Europe and growing fears of biological terrorism, the film depicts a breakdown in trust across all parts of society that evokes contemporary anxieties.

The Academy Award-winning director said he had been drawn to the idea of showing people "struggling with a real-world problem, especially one with a ticking clock, where the stakes couldn't be higher."

Paltrow's on-screen husband, Matt Damon, watches helplessly as his wife returns from a trip to Hong Kong with flu-like symptoms which quickly worsen -- leaving him to protect his 15-year-old daughter alone, as fear grips the world.

"Day Two" is when it all beings, with close-up shots in an airport of hands touching mouths, glasses and doorknobs, waiters sneezing and victims travelling home to fall ill in London, Hong Kong and Minneapolis.

The story's multiple threads criss cross as the World Health Organisation and US Centres for Disease Control scramble into action, while activist blogger Jude Law sniffs out the story and accuses the authorities of a cover up.

"Steven's movies don't leave any fat on the bone. The pace mirrors the progression of the infection itself and how things spiral quickly out of control," Damon said.