All You Need To *Know About Gardasil*

Gardasil is a vaccine that protects against certain types of human papillomavirus (HPV).
Types of Gardasil Vaccines
The different types include the following:
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1. Gardasil (quadrivalent):
Protects against HPV types 6, 11, 16, and 18.
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2. Gardasil 9 (nonavalent):
Protects against nine HPV types: 6, 11, 16, 18, 31, 33, 45, 52, and 58.
Benefits
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1. Prevention of cervical cancer:
Gardasil vaccines can help prevent cervical cancer caused by HPV types 16 and 18.
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2. Prevention of other HPV-related diseases:
Gardasil vaccines can also help prevent other HPV-related diseases, such as genital warts, anal cancer, and oropharyngeal cancer.
Mechanism of Action
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1. Virus-like particles (VLPs):
Gardasil contains VLPs that mimic the structure of HPV, but are non-infectious.
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2. Immune response:
When the vaccine is administered, the VLPs stimulate the immune system to produce antibodies and immune cells that recognize and target HPV.
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3. Neutralization:
The antibodies produced in response to the vaccine can neutralize HPV, preventing it from entering cells and causing infection.
Protection
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1. Prevention of infection:
Gardasil helps prevent infection with the targeted HPV types.
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2. Prevention of disease:
By preventing infection, the vaccine also helps prevent HPV-related diseases, such as cervical cancer and genital warts.
Target Population
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1. Recommended for adolescents and young adults:
The Centers for Disease Control and Prevention (CDC) recommend HPV vaccination for adolescents and young adults, typically starting at age 11 or 12.
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2. Catch-up vaccination:
Catch-up vaccination is recommended for individuals who did not receive the vaccine series at the recommended age
Administration
Gardasil is administered through:
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1. Intramuscular injection:
Gardasil vaccines are administered via intramuscular injection.
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2. Dosing schedule:
The dosing schedule for Gardasil vaccines varies depending on the age of the individual and the specific vaccine used
Gardasil (Quadrivalent) and Gardasil 9 (Nonavalent)
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1. Ages 9 - 14 years:
Two doses, 6-12 months apart.
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2. Ages 15 - 45 years: :
Three doses, with the second dose given 1-2 months after the first dose, and the third dose given 6 months after the first dose
Special Considerations
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1. Immunocompromised individuals:
Individuals with weakened immune systems, such as those with HIV/AIDS or taking immunosuppressive medications, may require a three-dose schedule, regardless of age.
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2. Catch-up vaccination:
Individuals who start the vaccine series at an older age may require a three-dose schedule.
It’s essential to follow the recommended dosing schedule to ensure optimal protection against HPV-related diseases. Consult a healthcare professional for personalized guidance.
Gardasil vaccines have been shown to be safe and effective in preventing HPV-related diseases
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