Q. Consider the following statements:
1.Cervical cancer rates have declined globally.
2.Cervavac, India’s indigenously produced vaccine, provides protection against all known Human Papillomavirus (HPV) types.
3.Cervavac vaccine uses virus-like particles (VLPs) produced using recombinant DNA (rDNA) techniques to prevent cervical cancer.
Which of the statements given above are correct?
Explanation –
Statements 1 and 3 are correct. Cervical cancer rates have declined globally and in India as well. However, it is still a major health concern in low- and middle-income countries. Cervavac uses virus-like particles (VLPs) produced using recombinant DNA techniques to elicit an immune response against HPV types 6, 11, 16, and 18.
Statement 2 is incorrect. Cervavac is a quadrivalent vaccine that provides protection against HPV types 6, 11, 16, and 18. It does not protect against all known HPV types. Cervavac is India’s first indigenously developed Quadrivalent Human Papillomavirus vaccine. Cervavac works by stimulating the immune system to produce antibodies that neutralize the virus, preventing its entry into cells and subsequent infection.
Source: The Hindu
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