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Argentina Reports Meningitis Cases Above Expected Levels, Prompting Vaccination Push

Experts cite protection gaps from falling adolescent coverage alongside serogroup B predominance outside the routine shot.

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La meningitis es la inflamación de las meninges, las membranas que recubren el cerebro y la médula espinal, fundamentales para la protección del sistema nervioso central.
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Overview

  • National surveillance, cited Tuesday by multiple outlets, reports 172 meningitis cases so far in 2026 versus a median of 152 for the same point in 2022–2025.
  • Health officials also note eight recent cases in Salta of different causes, reinforcing calls to keep tight epidemiologic tracking in place.
  • Specialists urge timely vaccination as the best defense against severe disease because it protects individuals and reduces spread among close contacts.
  • Coverage for the meningococcal vaccine drops with age in Argentina, reaching 83.5% at 3 months, 72.9% at 15 months, and 51.9% at the 11‑year dose.
  • Most infant meningococcal cases from 2022 to 2024 were serogroup B, which the routine A/C/W/Y vaccine does not cover, raising interest in broader immunization strategies.