Why do northerners rarely get nasopharyngeal cancer

Why do northerners rarely get nasopharyngeal cancer?

Nasopharyngeal carcinoma is a common nasopharyngeal malignant tumor in clinical practice, with a high incidence rate, especially in the south. It is affected by many factors such as viral infection, diet, and genetics. The incidence rate of nasopharyngeal carcinoma in the north is relatively low, perhaps 2-3/100,000.

The cause of this disease is generally as follows: some people have chromosome deletion mutations and are infected with the Epstein-Barr virus, which causes this disease. This also varies from person to person and is related to personal immunity. You can go to a local regular hospital for examination.

Is Epstein-Barr virus contagious in nasopharyngeal carcinoma?

EB virus infection is widespread in the population. After infection, there are no clinical symptoms or mild symptoms. The infected person will become a lifelong poison. Under the induction of human immune function decline and certain factors, EB virus can be activated, causing clinical symptoms, infectious mononucleosis, chronic active EB virus infection and other diseases. EB virus can be transmitted through coughing, sneezing, kissing, sharing tableware, etc. EB virus can be transmitted through saliva.