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HPV vaccine

  • IASbaba
  • July 15, 2022
  • 0
Science and Technology
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In News: The Serum Institute of India (SII)’s vaccine Cervavac recently received the Drugs Controller General of India’s (DGCI) approval for market authorisation.

  • Cervavac is India’s first quadrivalent human papillomavirus vaccine (qHPV) vaccine, and intended to protect women against cervical cancer.

Cervical cancer

  • Cervical cancer is a common sexually transmitted infection.
  • Long-lasting infection with certain types of HPV is the main cause of cervical cancer.
  • Worldwide, cervical cancer is the second most common cancer type and the second most common cause of cancer death in women of reproductive age (15–44).
  • India accounts for about a fifth of the global burden, with 23 lakh cases and around 67,000 deaths per year according to the World Health Organization’s International Agency for Research on Cancer
  • It kills one woman every eight minutes in the country.
  • Screening and vaccination are two powerful tools that are available for preventive cervical cancer.
  • Still there is little awareness among women for prevention of this cancer and less than 10% of Indian women get screened.

Existing vaccines

  • Two vaccines licensed globally are available in India — a quadrivalent vaccine (Gardasil, from Merck) and a bivalent vaccine (Cervarix, from GlaxoSmithKline).
  • Although HPV vaccination was introduced in 2008, it has yet to be included in the national immunisation programme.

The new vaccine

  • The vaccine is based on VLP (virus like particles), similar to the hepatitis B vaccine, and provides protection by generating antibodies against the HPV virus’s L1 protein.
  • This will be a huge step to accelerate cervical cancer elimination in India and globally.

Source: Indian Express

Previous Year Question

Q.1) With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements: (2021)

  1. Genetic engineering is applied in the development of these vaccines.
  2. Bacteria and viruses are used as vectors.

Which of the statements given above is/are correct?

  1. 1 Only
  2. 2 Only
  3. Both 1 and 2
  4. Neither 1 nor 2

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