Nine-valent vaccine generally refers to the nine-valent HPV (human papillomavirus) vaccine, nine-valent vaccine tube how long the drug specification points out that the protection time limit of this product has not yet been fully determined in a long-term study found that the persistence of the vaccine antibody in the vaccination of three doses can be as long as five years; the effectiveness of the protection of the high degree of cervical lesions in the vaccination of three doses after the protection of the cervical lesions can be as long as 7.6 years, with a certain degree of individual differences.
The nine-valent HPV vaccine is mainly used to prevent HPV types 6, 11, 16, 18, 31, 33, 45, 52 and 58 infections, and can also prevent cervical cancer, vaginal cancer, anal cancer, condyloma acuminatum and other diseases. Usually, the efficacy of the HPV vaccine lasts for a few years, but there is no authoritative data to show the exact time, so we need to pay attention to it.
Usually the HPV vaccine requires three injections and is suitable for people aged 16 to 26 years old. People who are allergic to the components of the vaccine or are in the stage of acute fever, or during pregnancy or breastfeeding should avoid vaccination.
How long does the nine-valent vaccine lastThe drug’s latest instructions state that the time frame of protection for this product has not yet been fully determined. In the long-term extension study of Study 001, the persistence of antibodies to the vaccine was up to 5 years after 3 doses; the effectiveness of protection against high cervical lesions was up to 7.6 years (median 4.4 years) after 3 doses, with some individual differences.
It is recommended that people in need of HPV vaccine should consult regular hospitals for injection of the nine-valent HPV vaccine. Pain, redness and swelling at the injection site, as well as headache and rash may occur after the vaccine injection, and people should stay in the hospital for a period of time after the injection for observation, so as to deal with abnormalities in a timely manner.