Journal of Vaccine Research 2024, Vol.14, No.1, 1-9 http://medscipublisher.com/index.php/jvr 3 appropriate vaccination plan, ensuring safety and effectiveness. Receiving the chickenpox vaccine does not guarantee complete immunity to chickenpox. A very small number of vaccine recipients may still contract chickenpox after vaccination, but the symptoms are typically milder, and the duration of the illness is shorter. This condition is known as "vaccine-related chickenpox," but the risk of illness is still much lower than in unvaccinated individuals. Furthermore, vaccination with the chickenpox vaccine can reduce the spread of chickenpox, protecting those who have not been vaccinated, especially individuals with weakened immune systems (Wang and Liu, 2021). Figure 1 Vaccination of Chickenpox Vaccine for eligible children 1.2 Safety and side effects of existing vaccines Existing chickenpox vaccines are generally safe and effective for most individuals. Side effects are usually mild and short-lived, such as redness and swelling at the injection site, and fever. Severe allergic reactions and the occurrence of vaccine-related chickenpox are very rare. Before receiving the chickenpox vaccine, individuals should inform their doctors about their allergy history and health condition so that the doctor can assess the suitability of vaccination and take necessary preventive measures. Pregnant women should avoid receiving the chickenpox vaccine and should consult a doctor if they come into contact with the varicella-zoster virus. Doctors will develop the most appropriate vaccination plan for each individual to ensure safety and effectiveness. Existing chickenpox vaccines have been proven to be safe and effective in clinical trials and widespread use. Most vaccine recipients experience only mild side effects, such as redness and swelling at the injection site, fever, pain, or discomfort. These side effects typically resolve on their own within a few days after vaccination and do not require special treatment. While the side effects of the chickenpox vaccine are generally mild and short-lived, a very small number of vaccine recipients may experience severe allergic reactions. Allergic reactions may include symptoms such as shortness of breath, facial swelling, rashes, hives, and more. If vaccine recipients experience these severe side effects, they should seek medical assistance immediately. Individuals who receive the chickenpox vaccine may experience vaccine-related chickenpox after vaccination. This condition is known as "vaccine-related chickenpox," and the symptoms are usually mild and of short duration. While the incidence of vaccine-related chickenpox is low but it cannot be entirely avoided.. Nevertheless, vaccination with the chickenpox vaccine can still reduce the spread of chickenpox, protecting those who have not been vaccinated. Before receiving the chickenpox vaccine, individuals should inform their doctors about their personal allergy history and health condition. This allows the doctor to assess the suitability of the chickenpox vaccine and take necessary preventive measures. For those with pre-existing immune system disorders, undergoing immunosuppressive treatment, or having other specific medical conditions, doctors may recommend special vaccination strategies or selective vaccination. Pregnant women should avoid receiving the chickenpox vaccine during pregnancy. Although the safety of the chickenpox vaccine in pregnant women is not fully established,
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