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Related Concept Videos

Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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Vaccinations01:51

Vaccinations

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Overview
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Vaccines01:21

Vaccines

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Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the...
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Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

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A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
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Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

Bioavailability Study Design: Single Versus Multiple Dose Studies

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Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
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Dose-Response Relationship: Potency and Efficacy01:22

Dose-Response Relationship: Potency and Efficacy

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The potency of a drug is the measure of its ability to produce a biological response and can be compared by looking at the half-maximum effective concentration or EC50 values of different drugs. A lower EC50 value indicates higher potency of the drug. In the dose–response curve of two antihypertensive drugs, candesartan and irbesartan, a significant difference is observed in their EC50 values. A lower EC50 value for candesartan indicates that it is more potent than irbesartan, as it...
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Updated: Apr 25, 2026

Use of Interferon-&#947; Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
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Towards Global HPV Eradication: Single-Dose HPV Vaccination vs. Pseudoscience.

Reona Shiro1, Ikuo Tsunoda2

  • 1Department of Obstetrics and Gynecology, Kindai University Faculty of Medicine, Osaka 590-0197, Japan.

Pathophysiology : the Official Journal of the International Society for Pathophysiology
|April 24, 2026
PubMed
Summary

Human papillomavirus (HPV) vaccination, including single-dose and gender-neutral strategies, can eradicate high-risk HPV types globally. Scientific evidence refutes claims of adverse events like HANS, supporting vaccine safety and efficacy for cancer prevention.

Keywords:
CervarixGardasilWorld Health Organizationadverse reactionsanti-vaxxerinterleukin-17macrophagic myofasciitispoliomyelitisuterine cervical neoplasmvaccine hesitancy

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Area of Science:

  • Virology
  • Immunology
  • Public Health

Background:

  • Human papillomavirus (HPV) is a primary cause of cervical cancer.
  • Global viral eradication requires specific criteria, including effective vaccines and a single host species.
  • Vaccine hesitancy, fueled by misinformation, hinders eradication efforts for diseases like measles and HPV.

Purpose of the Study:

  • To highlight the potential for global eradication of high-risk HPV types through vaccination.
  • To address and scientifically refute alleged adverse events associated with HPV vaccination, such as HANS.
  • To advocate for the implementation of single-dose and gender-neutral HPV vaccination strategies.

Main Methods:

  • Review of scientific literature on HPV, vaccine efficacy, and adverse event claims.
  • Analysis of the criteria for autoimmune diseases (Witebsky's postulates) in relation to HANS.
  • Evaluation of computational and experimental evidence regarding molecular mimicry and aluminum adjuvants.

Main Results:

  • HPV is an ideal candidate for eradication due to its human-specific nature and vaccine efficacy.
  • Mice vaccinated with a single HPV dose produced anti-HPV antibodies without prolonged pro-inflammatory cytokine profiles.
  • Scientific evaluation found no evidence supporting HANS as a novel autoimmune disease or implicating aluminum adjuvants; existing HANS models were flawed.

Conclusions:

  • Worldwide implementation of HPV vaccination, including single-dose and gender-neutral approaches, can globally eliminate high-risk HPV types.
  • Denouncing pseudoscientific claims is crucial for successful HPV vaccination programs.
  • Rigorous scientific evaluation confirms the safety and efficacy of HPV vaccines, countering misinformation.