4.4 Review

HPV Vaccination: An Underused Strategy for the Prevention of Cancer

Journal

CURRENT ONCOLOGY
Volume 29, Issue 5, Pages 3780-3792

Publisher

MDPI
DOI: 10.3390/curroncol29050303

Keywords

human papillomavirus; cancer prevention; vaccine uptake; vaccine hesitancy; behavioural and social drivers of vaccination framework

Categories

Funding

  1. Edith Kirchmann Postdoctoral Fellowship at Princess Margaret Cancer Centre
  2. CIHR [CIHR MFE 171271]

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This paper synthesizes the impact of HPV on the global burden of cancer and the potential benefit of HPV vaccination. While cervical cancer is the primary concern in low- and middle-income countries, HPV-associated head and neck cancers are increasing in high-income countries and have surpassed cervical cancer in some countries. Therefore, it is critical to improve gender-neutral HPV vaccination.
Human papillomavirus (HPV) vaccination prevents cervical, head and neck, and anogenital cancers. However, global HPV vaccine coverage falls short of global targets and has seen unexpected and dramatic declines in some countries. This paper synthesizes the impact of HPV on the global burden of cancer and the potential benefit of HPV vaccination. Approximately 5% of the world's cancers are specifically attributed to HPV. While the greatest global burden of HPV is cervical cancers in low- and middle-income countries, HPV-associated head and neck cancers are increasing in high-income countries and have surpassed cervical cancer as the primary HPV-associated cancer in some countries. Therefore, it is also critical to improve gender-neutral HPV vaccination. Understanding the modifiable drivers of vaccine acceptance and uptake is important for increasing HPV vaccination. The Behavioural and Social Drivers of Vaccination framework is broadly applied to identify key factors associated with HPV vaccination including domains concerning practical issues, motivation, social processes, and thinking and feeling. Among the behavioural strategies available to reduce the incidence and mortality of cancer, increasing HPV vaccination stands out as having unrealized potential to prevent disease, financial cost, and psychological distress. An understanding of the shifting burden of HPV and the factors associated with vaccination can be leveraged to regularly measure these factors, develop interventions to promote vaccine uptake, and improve global HPV vaccine coverage. Future research in diverse contexts is necessary to investigate the barriers and facilitators of global HPV vaccination.

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