Why is the 9-valent hpv vaccine in Hong Kong so hot?

Up to 20 17, 7 1 countries in the world have included HPV vaccination for female children in their planned immunization, and 1 1 countries have also included HPV vaccination for male children in their planned immunization. Yue Wei believes that the safety of these three vaccines is reliable. The 9-valent human papillomavirus vaccine adopts recombinant DNA technology, contains no live virus components and is not contagious. In addition, there is evidence that HPV vaccine is as safe and effective as HIV-infected people.