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Related Concept Videos

Cancer Vaccines01:30

Cancer Vaccines

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...
Vaccines01:21

Vaccines

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 type of...
Chickenpox01:20

Chickenpox

Chickenpox is an acute, highly contagious disease caused by the varicella-zoster virus (VZV), a double-stranded DNA virus belonging to the Herpesviridae family. Its transmission occurs primarily through the inhalation of respiratory droplets or direct contact with vesicular fluid from skin lesions. The incubation period typically ranges from 10 to 21 days, during which the virus replicates and disseminates through sequential phases within the host. Although generally self-limiting in children,...
Vaccinations01:51

Vaccinations

Overview
Genital Herpes01:23

Genital Herpes

Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
Smallpox01:24

Smallpox

Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.

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Related Experiment Video

Updated: Jun 18, 2026

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
13:41

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus

Published on: March 8, 2012

Currently approved prophylactic HPV vaccines.

Diane M Harper1

  • 1Department of Community and Family Medicine, University of Missouri-Kansas City School of Medicine, 7900 Lee's Summit Road, Kansas City, MO 64139, USA. diane.m.harper@gmail.com

Expert Review of Vaccines
|December 1, 2009
PubMed
Summary

Cervarix and Gardasil are HPV vaccines for cervical cancer prevention. Cervarix targets five cancer-causing HPV types for 6.4 years, while Gardasil targets three types plus HPV 6 and 11 for 5 years.

Area of Science:

  • Oncology
  • Immunology
  • Vaccinology

Background:

  • Cervical cancer is a significant global health concern, often caused by persistent human papillomavirus (HPV) infection.
  • Prophylactic HPV vaccines are crucial tools for primary prevention of HPV-related diseases.
  • Understanding the specific HPV types targeted and duration of efficacy for each vaccine is vital for public health strategies.

Purpose of the Study:

  • To compare the prophylactic efficacy and targeted HPV types of Cervarix and Gardasil vaccines.
  • To evaluate the duration of demonstrated efficacy for both Cervarix and Gardasil.
  • To inform clinical and public health decisions regarding HPV vaccination for cervical cancer prevention.

Main Methods:

  • Comparative analysis of clinical trial data for Cervarix and Gardasil.

Related Experiment Videos

Last Updated: Jun 18, 2026

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
13:41

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus

Published on: March 8, 2012

  • Review of published literature on HPV vaccine efficacy and duration.
  • Assessment of HPV type coverage for each vaccine, including cancer-causing and genital wart-related types.

    • Main Results:

    • Cervarix demonstrates efficacy against HPV types 16, 18, 31, 33, and 45, with proven efficacy for 6.4 years.
    • Gardasil is effective against HPV types 16, 18, 31, 6, and 11, with proven efficacy for 5 years.
    • Cervarix covers more high-risk HPV types associated with adenocarcinoma, while Gardasil also protects against genital warts.

    Conclusions:

    • Both Cervarix and Gardasil offer significant protection against HPV infections and related cancers.
    • The choice of vaccine may depend on the specific HPV types prevalent in a population and the desired spectrum of protection.
    • Long-term duration of efficacy is a critical factor in the overall impact of HPV vaccines on cervical cancer rates.