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🔆 Key Takeaways: Shingles, Vaccine Benefits & Public Health
📍 Shingles and Its Causes
✅ Shingles is a viral infection caused by the varicella-zoster virus (same as chickenpox)
✅ Leads to painful rashes and complications like vision loss, paralysis, and brain inflammation
📍 Shingles Vaccine and Cardiovascular Benefits
✅ A South Korean study (European Heart Journal) found vaccinated individuals had:
▪ 26% lower risk of major cardiovascular events
▪ 24% lower risk of stroke
▪ 22% lower risk of heart attack and clotting disorders
✅ Benefits more pronounced in men under 60 and those with unhealthy lifestyles
📍 Link Between Shingles Vaccine and Lower Dementia Risk
✅ A Welsh study found a 3.5 percentage point reduction in dementia diagnoses over 7 years
▪ Equals a 20% lower risk compared to unvaccinated
✅ Vaccine may prevent virus reactivation, reducing neurological damage and cognitive decline
📍 Support from Other Studies
✅ 2023 Oxford study (Shingrix): 17% reduction in dementia diagnoses in 6 years
✅ Study in Alzheimer’s & Dementia (130 million people):
▪ Links between lower dementia risk and vaccines for hepatitis A, typhoid, diphtheria
✅ Journal of Alzheimer’s Disease study found:
▪ 30% lower risk with diphtheria vaccine
▪ 27% with pneumococcal vaccine
▪ 25% with shingles vaccine
📍 Significance in Public Health
✅ Evidence supports broad health benefits of vaccines beyond primary disease prevention
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BY CSE EXAM ( UPSC prelims mains) CAPF
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