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Tarim Yilpizi
13-03-06, 18:59
How vaccines could stop cancer



As many as ten per cent of cancer cases could be prevented by vaccination, researchers reported today.

Vaccines against hepatitis B and the human papillomavirus alone could prevent thousands of illnesses every year.

In poor countries, the proportion of cancers linked to infections rises to as much as 25 per cent.

In total viruses account for 1.8 million new cases of cancer annually around the world, according to the report.

The papillomavirus - which also causes warts - is linked to cervical cancer and a vaccine could prevent around 70 per cent of cases of this illness. A vaccine is in the final stages of development.

Viruses are also linked with some kinds of lymphoma and leukaemia as well as with cancer of the nose. Bacteria may be responsible for cases of stomach cancer.

It is very important that people understand they cannot catch cancer in the way they can catch a cold or flu virus.

As today we successfully vaccinate against infectious diseases so we shall soon be able to vaccinate against certain types of cancer.