He said he couldn't calculate the cost of cleaning up the Melissa virus and its variants.

CNN: 'Melissa' mutates, becomes resistant to patch

That said, most physicians and public health experts recommend people to stick to the basics for flu prevention: washing your hands thoroughly, getting a flu shot, staying home for work or school to avoid spreading the virus, and vigorously cleaning surfaces that you frequently touch.

FORBES: Can Your Smartphone Spread The Flu?

The authorities have increased cleaning rates and erected signs to try and stop the virus spreading.

BBC: Jersey health issues norovirus warning

If a virus gets loose, isolate those systems and start cleaning up files.

FORBES: Computers That Fix Themselves

Emotion UI is also pre-installed with a smartphone housekeeper function to support real-time data traffic tracking, automatic blacklisting and blocking, periodical system cleaning, and spontaneous exiting of idle programs and cache cleanup, in addition to anti-virus, energy saving, privacy protection, software management, and more.

ENGADGET: Huawei Ascend P2 hitting Europe in Q2 for 399 euros, we go hands-on (update: video)

McAfee Virus Scan enterprise features built-in, real-time on-access and automatic antivirus scanning and cleaning using the McAfee scanning engine.

ENGADGET: Iomega releases two new StorCenter NAS drives to contain that ever-expanding data waistline