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British scientists have suggested that computer worms could spread in a similar way to biological infections such as flu thanks to portable devices.
Christopher Rhodes - a specialist from the Imperial College London who deals with infectious diseases - and BT researcher Maziar Nekovee, have created a mathematical model to examine how wireless computer worms could potentially extend.
They predicted that once such worms become common, infections could easily spread within busy working environments or within the confines of aeroplanes.
Mr Rhodes told New Scientist: "The transmission model is actually very similar to something like influenza."
In 2004, it was reported that the Cabir worm - which targeted Bluetooth technology running within mobile phones - was the first virus designed to attack handsets.
Each time the phone was started, the virus transmitted a copy of itself to any nearby Bluetooth-enabled mobiles.
New Scientist noted that both the Cabir and the Commwarrior were proof-of-concept worms but that they failed to spread efficiently.
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