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Johns Hopkins Center for Health Security

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Situations

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Global measles resurgence 2026

84 clusters · 637 sources · last updated

Latest: United States measles cases surge with rising outbreaks

The 2026 global measles resurgence continues to escalate, driven by declining vaccination rates and misinformation. The World Health Organization (WHO) predicts approximately 11 million infections globally this year, wit

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South American public health initiatives

2 clusters · 30 sources · last updated

Latest: Latin American health ministries expand vaccination and preventive care programs

Public health authorities in South America are implementing various immunization and hygiene initiatives across several nations. In Uruguay, the Ministry of Public Health has expanded its meningococcus vaccination campa