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Something else to be borne in mind here is the rapidity with which the virus can reproduce

Viruses will exist as long as man

Because of that virus, many elephants lost their lives

In short, it is because the 'plan.doc' file I attached in the previous email was infected with a virus

Cancer may be related to viruses of some kind

Apparently my anti-virus software is not up to snuff

Scientists are fighting to stem the spread of the AIDS virus

That looks like the work of a virus

Throat and nose membranes hurt by dry air allow cold viruses to enter more easily. It is important to carry out sensible counter plans against the cold with heaters and against the dryness with humidifiers