Health Sector – UHC, National Health Policy, Family Planning, Health Insurance, etc.

Human Papillomavirus (HPV) and Cervical Cancer   

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Cervical Cancer

Mains level: Read the attached story

Introduction

  • This article sheds light on the significance of Cervical Cancer Awareness Month, the grim reality of cervical cancer in India, and the importance of prevention through knowledge, screening, and vaccination.

Cervical Cancer: Unveiling the Facts

  • Prevalence in India: Cervical cancer ranks as the second-most common cancer among Indian women, with its origin in the cervix, the entrance to the uterus from the vagina.
  • HPV Connection: Persistent infection by the human papillomavirus (HPV) is the primary cause of cervical cancer. HPV is a common virus that affects nearly all sexually active individuals, often without any symptoms. While the immune system typically clears the virus, high-risk strains can lead to cancer.
  • India’s Alarming Stats: India bears a heavy burden, accounting for nearly a quarter of global cervical cancer deaths. Every year, approximately 1.25 lakh women are diagnosed with cervical cancer, and tragically, around 75,000 lose their lives to this disease.

Global Efforts and India’s Progress

  • WHO’s Elimination Strategy: In 2022, the World Health Organization (WHO) launched a strategy to eliminate cervical cancer as a public health concern worldwide. The strategy emphasizes three pillars: vaccination, screening, and treatment.
  • Positive Trends in India: India may not meet the 2030 goals outlined by WHO, but there is a glimmer of hope. Incidence rates are declining, possibly attributed to factors like sexual hygiene, pregnancy age, contraception use, and individual immune status.
  • Comprehensive Approach: Experts stress the need for a multi-pronged approach, including awareness programs, vaccination drives, regular screenings, and education to combat stigma.

Screening Methods and Challenges

  • Pap Smear vs. HPV DNA Testing: Traditionally, the pap smear was the gold standard for cervical cancer screening. However, it has limitations, such as the need for cytologists and low awareness, especially in rural areas.
  • Advancements in Screening: Today, HPV DNA testing is recommended as the primary screening method. It involves testing cervical cells for high-risk HPV strains. This method is more reliable and less prone to errors.
  • Empowering Self-Sampling: Studies suggest that self-sampling for cervical cancer screening, where patients collect their samples, can be as effective as physician-collected samples. Offering this option can enhance screening accessibility.

Vital Role of Vaccination

  • HPV Vaccine Controversy: India faced controversy in the past regarding the HPV vaccine’s safety. However, cervical cancer is preventable, and the vaccine targets HPV serotypes 16&18, responsible for 70% of cervical cancers.
  • Single-Dose Effectiveness: Recent recommendations from the WHO’s Strategic Advisory Group of Experts on Immunization (SAGE) highlight the effectiveness of even a single dose of the HPV vaccine, crucial for countries with low population coverage.
  • India’s Vaccination Efforts: Two vaccines, Merck’s Gardasil and Serum Institute of India’s Cervavac, are available in India. Expanding production and introducing the vaccine into national programs are essential steps.

Government Initiatives and Challenges

  • State-Level Success: Sikkim set a positive example by introducing free HPV vaccination, achieving high coverage rates among girls aged 9 to 14.
  • Slow National Rollout: The Central government’s plan for a nationwide HPV vaccination program faced delays. Despite recent reports suggesting a rollout in phases, the Union Health Ministry has yet to make a final decision.
  • Global Perspective: While 100 countries have integrated the HPV vaccine into their national schedules, achieving high coverage remains a challenge, particularly in poorer nations.

Encouraging Early Action

  • Optimal Age for Vaccination: Vaccination is recommended for girls aged 9 to 15, providing maximum protection. However, it can benefit adults up to the age of 45.
  • Combatting Hesitation: Effective communication and education are essential to address vaccine hesitancy and dispel misconceptions.
  • A Global Endeavor: The International Agency for Research on Cancer stresses the importance of scaling up screening programs, expanding HPV vaccination coverage, and increasing access to affordable treatment to meet WHO’s 2030 targets.

What You Can Do

  • Stay Informed: Educate yourself and others about HPV and cervical cancer.
  • Prioritize Screening: Consult your healthcare provider for cervical cancer screening, especially if you haven’t done so before.
  • Consider Vaccination: Discuss the HPV vaccine with your healthcare provider and make an informed choice for yourself or your loved ones.

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