Clinical progress note: Measles.

Ewing, Anne; Hahn, Catherine; Ratner, Adam J · J Hosp Med · 2026

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Abstract

Many medical providers in the United States have never seen a case of measles. This situation will likely change if decreases in childhood vaccination rates and increases in multi-state measles outbreaks continue. Measles can lead to hospitalization and severe disease, especially for high-risk groups including young children and people who are pregnant or immunocompromised. In-hospital transmission of measles can occur prior to diagnosis, as patients are infectious for approximately 4 days prior to the onset of rash. Review of the diagnosis and management of measles is essential for the hospitalist to ensure timely responses to this highly contagious virus.