Williams Cancer Institute

DID YOU KNOW THAT ONLY ONE DOSE OF THE VACCINE AGAINST HUMAN PAPILLOMAVIRUS INFECTION (HPV INFECTION) CAN AVOID CERVICAL CANCER?

There is data showing that just one dose of the human papillomavirus (HPV) vaccine is effective in protecting young women against infection of the cervix due to the types of HPV that cause cancer. The existing HPV vaccines noticeably reduce the risk of contracting cervical cancer, but unfortunately very few people have access to this vaccine, some due to lack of guidance and others due to insufficient medical care. With just one dose of this HPV vaccine, it would be enough to counteract this virus and, in this way, it would be faster and less expensive for the countries, thus making more girls to be vaccinated against this virus. This study was called KEN SHEN in Kenya by Dr. Kreimer who was the leader in this research which is part of a global project to make these vaccines more accessible throughout the world.

One of the main causes of death in women is cervical cancer, mainly in countries with fewer economic resources, of which 90% of deaths are due to this cause. Although we have had this HPV vaccine since 2006, the lack of information for some people and lack of accessibility in health centers for others have caused millions of deaths in women, this vaccine prevents infections caused by the different types of HPV that cause most cervical cancers. Since HPV is transmitted mainly by sexual contact, this vaccine is mainly aimed at children and young people, but in 2019 only 15% of these people in the world had received two doses of this vaccine, lamentably there are many countries that have economic deficiencies inasmuch they do not have HPV vaccination programs or the necessary medical infrastructure for this purpose, where preventive cervical exams and early cancer detection are also carried out.

New studies confirm that the general use of the HPV vaccine decreases cervical cancer, especially when women are vaccinated in their childhood, definitely this vaccine that can save lives. Without a doubt, the diagnosis of cervical cancer is devastating, that is why it is important to be vaccinated against this HPV virus, especially at an early age in order to take advantage of its benefits. Parents often hesitate to vaccinate their children early, since many of them want to wait until their children are 18 years old, since many want to wait for their children to decide on their own between getting vaccinated or not, it is understandable for a parent to think this but even so we will be losing the opportunity to be more effective by not getting vaccinated earlier.

It is also important to take into account that human papillomavirus vaccination before to surgery for precancerous cervical lesions greatly reduced recurrences. Women diagnosed with high-grade cervical intraepithelial neoplasia (CIN), since these patients are at high risk of the lesions recurring after the surgery and also other malignant neoplasms related by HPV. (Charles Bankhead, senior editor, Medpage. August 5/2022).

Many studies have shown that HPV vaccination can prevent infection and infection-related diseases when given to boys and girls from a very young age, and this vaccine can have positive and helpful effects against new infections and reinfections of the HPV for women who already have lesions with a high level of CIN, so it is very important that all women with or without HPV lesion are vaccinated to prevent and even treat this disease.

Reference: National Cancer Institute, N. C. I. Vacuna VPH previene cáncer de cuello uterino estudio sueco. Instituto Nacional del Cáncer. https://www.cancer.gov/espanol/noticias/temas/-relatos-blog/2020/vacuna-vph-previene-cancer-cuello-uterino-estudio-sueco.

  • National Cancer Institute, N. C. I, 2022, 13 July, Una dosis de la vacuna contra el VPH previene infecciones que causan cáncer. Instituto Nacional del Cáncer. https://www.cancer.gov/espanol/noticias/temas-y-relatos-blog/2022/kenia-una-dosis-vacuna-vph-cancer-cuello-uterino
  • Bankhead, C, 2022, 5 August, HPV Vaccination Close to Surgery May Reduce Recurrent Cervical Lesions. MedPage Today, https://www.medpagetoday.com/hematologyoncology/cervicalcancer/100052?xid=nl_mpt_DHE_2022-08-04&eun=g1420706d0r&utm_source=Sailthru&utm_medium=email&utm_campaign=Daily%20Headlines%20Evening%202022-08-04&utm_term=NL_Daily_DHE_dual-gmail-definition

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