Most people already know that AIDS can be transmitted sexually. But in Tuesday's Houston News report, some doctors are warning that a new cancer-causing virus can also be sexually transmitted.

This virus is called papillomavirus, also known as HPV. Of the hundreds of different types of HPV, doctors stress that number 16 can cause cervical cancer. According to statistics, about 20% of people have one type of HPV.

Randal Weber, a head and neck surgeon at MD Anderson, said: "HPV is very common today because of sexual transmission. It is spread through human body fluids." Now, doctors at MD Anderson The virus is also responsible for another type of cancer, Erich Sturgis said.

"The virus that causes cervical cancer in women may be the same virus that causes head and neck cancer," Sturgis said.

The Johns Hopkins Cancer Center Professor Maura Gillison is leading a ground-breaking study into the cancer caused by HPV16, finding it may cause cancers of the tongue and throat. Professor Gillison said: "I think HPV16 can cause cancer of the head or neck. But this is not understood by most doctors."

Understanding that the virus may cause cancer, what researchers need to do It is to further verify every detail of the steps leading to cancer. Professor Gillison is currently engaged in this research.

The virus must survive in mucus to travel to the throat, Sturgis said. According to statistics, approximately 3% of Americans develop oral cancer. Most of them are after the age of 50 or 60, and most of them have the habit of drinking and smoking.

However, for HPV cancer patients, this is not always the case. They tend to be younger and not all smoke and drink. Researchers are still collecting data to determine how some oral cancer cases are linked to HPV16.

Sturgis said that according to statistics, those patients have a high proportion of unclean sex. This evidence shows that this disease is closely related to sexual impurity.

Gillison said many people are unaware of the dangers of changing sexual partners at will. But in fact this is the main way the HPV virus spreads.

Brian Hill neither drinks nor smokes, but he didn’t know how he got oral cancer, which surprised him. Current research provides him with a good answer.

Gillison said that condoms alone do not provide adequate protection, and the best protection is to understand each other. Women, in particular, should know the health status of their sexual partners, because oral sex is likely to spread viruses and cause throat cancer.

There is currently no treatment for the HPV virus, but a vaccine is under development.

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