⚙️ how
How do HPV vaccines help prevent several types of cancer?
MedicineCancer Prevention
Quick Answer
They train the immune system to block human papillomavirus before infection happens. By preventing persistent HPV infection, they lower the risk of cervical and other cancers.
The Full Story
HPV vaccines are based on virus-like particles that look like the surface of the virus but contain no viral DNA. This allows the immune system to make antibodies without any risk of causing infection. The vaccines protect against the most dangerous HPV types, including types 16 and 18, which are linked to many cervical cancers. Public-health programs using HPV vaccination and screening aim to prevent cancers before they begin.
Key Facts
1.types 16 and 18 are major cancer-causing HPV strains
2.HPV vaccines use virus-like particles
3.vaccination is most effective before exposure
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