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Neonatal hepatitis B vaccination: Reevaluating timing and adjuvants for enhanced safety and effectiveness
Aleksandar Cirovic1, Ana Cirovic1, Ana Ivanovski2
1Institute of Anatomy Faculty of Medicine University of Belgrade Belgrade Serbia.
Insights
Early hepatitis B vaccination is recommended in high-risk areas, but aluminum adjuvants in vaccines should be suspended until safer alternatives are found. Benefits of hepatitis B vaccination outweigh potential harm from aluminum.
Area of Science:
- Immunology
- Toxicology
- Public Health
Background:
- Aluminum is a common adjuvant in vaccines.
- Aluminum neurotoxicity is a concern, particularly in early childhood vaccinations.
- Hepatitis B vaccination is recommended for newborns, especially in high-risk areas.
Purpose of the Study:
- To review the literature on aluminum neurotoxicity and early neonatal hepatitis B vaccination.
- To analyze the indications for early hepatitis B vaccination.
- To assess the risks and benefits of aluminum adjuvants in vaccines.
Main Methods:
- Comprehensive literature review.
- Analysis of experimental and clinical data on aluminum-induced neurotoxicity.
- Evaluation of hepatitis B vaccination strategies in different risk settings.
Main Results:
- Early hepatitis B vaccination is justified in high-risk endemic areas due to high rates of vertical transmission.
- Vaccines containing aluminum adjuvants should be suspended for children until they can walk and aluminum is replaced.
- Development of mucosal vaccines is encouraged for other childhood diseases.
- Hepatitis B vaccination for infants born to hepatitis B-positive mothers is crucial, regardless of location.
Conclusions:
- Hepatitis B vaccination is essential for infants of hepatitis B-positive mothers, with benefits outweighing potential aluminum adjuvant risks.
- A temporary suspension of aluminum-containing vaccines is advised until safer adjuvants are available.
- Further research into alternative vaccine adjuvants and mucosal vaccines is recommended.
Abstract:
Our aim is an achievement of a 100 percent vaccination rate without toxic vaccine effects. We did a comprehensive literature review on aluminum neurotoxicity and early neonatal hepatitis B vaccination. We analyzed indications for introduction of early neonatal hepatitis B vaccination and the data on experimental and clinical aluminum-induced neurotoxicity. It is justified very early hepatitis B vaccination to be carried out in high-risk endemic areas. In those countries there is a large number of hepatitis B positive individuals, including pregnant women, which leads to a great number of vertical, mother-to-child, transmissions of the virus during pregnancy. There is also a serious risk of perinatal Hepatitis B virus infections in such countries. Early neonatal hepatitis B vaccination is also carried out in low-risk countries, where the number of hepatitis B positive pregnant women is extremely small, making the number of newborns who require the prevention of hepatitis B infection extremely small as well. It is necessary for all vaccines which contain aluminum as an adjuvant to be immediately suspended as children vaccination until they start walking and until aluminum is replaced with calcium, zinc or a nonmetallic adjuvant such as microcrystalline tyrosine or monosodium urate. Meanwhile sustained efforts should be made to create the so-called mucosal vaccines against diphtheria, pertussis, measles, mumps and rubella. At the same time, all the children born to hepatitis B positive mothers, regardless of their place of birth must be vaccinated against hepatitis B as the benefits from vaccines by far outweigh potential harm caused by adjuvant aluminum.
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