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IM Originals

H3N2: The Virus Surging Across Mongolia 

Khulan M.
November 24, 2025
November 24, 2025
yld

Children’s hospitals across Ulaanbaatar are struggling under an unprecedented wave of pediatric patients, with parents reporting on social media that they wait 3 to 7 hours to have their children checked. The National Center for Infectious Diseases confirms the culprit is a virulent Influenza A H3N2 virus currently sweeping through the city.

  • The Virus: Medical experts warn that the virus is highly aggressive. It typically strikes suddenly, with fevers ranging from 38–41°C, occasionally climbing to 42°C, and is quickly followed by diarrhea, vomiting, and other toxic symptoms. In severe cases, it can rapidly progress to pneumonia, posing a serious risk not only to young children but also to adults.

🤒 Hospital Strain

On Saturday, November 22, the National Center for Maternal and Child Health admitted 538 children, the majority of whom were under 5 years old. Emergency and outpatient departments are operating at double their normal capacity, and influenza-like illnesses now account for 10% of all outpatient visits nationwide. Last week alone, 296,322 people sought care at outpatient clinics, with 6.7% diagnosed with influenza or influenza-like illnesses. Children under 15 accounted for over 80% of cases, with nearly half of them being under 5 years old.

  • To manage the surge, 14 doctors are deployed per shift, yet waiting times remain long. Patients are being accommodated in corridors, with 20 temporary beds set up to prevent critical deterioration.

🏃‍➡️ Government Response

In response to the outbreak, the Government of Mongolia is mobilizing a coordinated strategy to ease hospital congestion ahead of the December peak. Measures include:

  • Deploying medical staff from regions with lower infection rates to hospitals under high demand.Extending outpatient hours and redistributing resident doctors to critical departments.
  • Considering temporary adjustments to schools, kindergartens, and public facilities where crowds gather, depending on the virus’s spread.

Come again? Winter after winter, the same pattern repeats in Mongolia. Hospitals fill to capacity, children fall ill, and parents watch anxiously. Even with nine months to prepare, the strain on the healthcare system reveals the limits of the authorities’ readiness.

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