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Understanding the Importance of Chickenpox Vaccination

Chickenpox, a highly contagious viral infection, primarily affects children. However, as highlighted in the original article, infants can experience severe complications. Thankfully, the Hong Kong Childhood Immunization Programme ensures children receive two doses of the chickenpox vaccine, significantly reducing infection risks. This article delves deeper into the specifics of this vital vaccine, exploring its effectiveness, recommended schedule, and the costs associated with it.

What Exactly is the Chickenpox Vaccine?

The chickenpox vaccine available in Hong Kong is a live attenuated vaccine. This means it contains a weakened form of the varicella-zoster virus. This weakened virus stimulates the immune system to produce antibodies without causing the full-blown disease. While breakthrough infections can occur (where someone vaccinated still gets chickenpox), the symptoms are usually milder.

In these cases, the number of blisters is lower, and the rash may present more as small red bumps rather than full-blown blisters. The illness duration is typically shorter compared to those who are unvaccinated.

The Vaccination Schedule: When and How Many Doses?

The Hong Kong Childhood Immunization Programme provides the chickenpox vaccine free of charge to eligible children. The vaccination schedule is as follows:

• First Dose: At 12 months of age.
• Second Dose: At 18 months of age, or when entering primary school.

This two-dose schedule is critical for maximizing protection against chickenpox. For further details, please consult the Department of Health’s official guidelines.

Who Should Avoid or Delay Chickenpox Vaccination?

While the chickenpox vaccine is generally safe, there are some contraindications. Vaccination should be avoided or delayed if the individual meets any of the following criteria:

• Severe allergic reaction to a previous chickenpox vaccine.
• Severe allergic reaction to gelatin or certain antibiotics.
• Currently undergoing cancer treatment.
• Taking long-term corticosteroids.
• Having an immune system disorder.
• Suffering from a moderate to severe acute illness.
• Received a blood transfusion, other blood products, or immunoglobulin within the last eleven months.
• Received a live vaccine within the last four weeks.
• Having active tuberculosis that has not yet been treated.
• A family history of congenital or hereditary immune system disorders (unless their immune system is confirmed to be normal).
• Pregnant women. Women of childbearing age should avoid pregnancy for three months after vaccination.

Understanding Chickenpox Vaccine Costs

The original article provides a helpful overview of vaccination costs, from public to private healthcare settings. Knowing these costs upfront allows parents to plan accordingly. The Hong Kong Department of Health offers free chickenpox vaccinations through the Maternal and Child Health Centres for children born on or after January 1, 2013.

For detailed information on vaccination fees in private hospitals and clinics, please refer to the original article’s list of pricing. These prices are subject to change, so it’s always best to contact the healthcare provider directly for the most up-to-date information.

Chickenpox Vaccine FAQs

What are the common questions about the chickenpox vaccine?

Here are some frequently asked questions and their answers to clarify any doubts:

What happens if I still get chickenpox after vaccination?

Even after vaccination, you could contract chickenpox, but the symptoms are generally milder. You’ll likely have fewer blisters and a shorter illness duration.

Can I get chickenpox more than once?

While chickenpox typically only happens once, the virus can remain dormant in your body. This can lead to shingles (herpes zoster) later in life, which is a reactivation of the chickenpox virus.

This article is based on information from Bowtie 保泰人壽. Always consult with a healthcare professional for personalized medical advice.

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