Study: HPV vaccine works with out-of-the-box prevention effect close to multiple injections

A new study published recently in the medical journal JAMA Nework Oper shows that one dose of HPV vaccine and, on the spot, can prevent potentially cancer-causing viral infections, with the same effect as two or three doses of the vaccine. The study analyzed HPV vaccination and HPV infection in 1,620 women between the ages of 18 and 26 in the U.S. between 2009 and 2016, the report said.

Study: HPV vaccine works with out-of-the-box prevention effect close to multiple injections

The results showed that the proportion of people who received the HPV vaccine at the end of the study period was 111:1004, and that the infection rate of one to three doses was 4:106, 7:126, and 14:384.

Thus, the infection rate of women who have been vaccinated against HPV has decreased significantly, and the effectiveness of one dose of injection has been close to two or three doses of the vaccine.

HPV, or human papillomavirus, has been isolated more than 200 species, which can be transmitted through sexual contact, which can lead to cervical cancer, bladder cancer, rectal cancer, oral cancer and other cancers. Cervical cancer is the fourth most common cancer in women, with about 570,000 new cases of cervical cancer and about 311,000 deaths worldwide in 2018.

The World Health Organization recommends that women between the ages of 9 and 14 receive two doses of HPV vaccine, while those aged 15 and older need to receive three doses. At the same time, European and American countries recommend that men who are also at risk of infection should be vaccinated against HPV.

Since 2016, the second- and fourth-price, four-price and nine-price HPV vaccines have been introduced in mainland China, and the range of vaccinations approved is for women aged 9 to 45, 20 to 45 and 16 to 26, with three doses for either vaccine.

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