Line for February 18, 2026

Earliest

1. 1
   Treatment hepatitis C

   Treatments that can cure hepatitis C become available

   Position 12345
2. 2
   Discovery tuberculosis

   Robert Koch announces the germ that causes tuberculosis

   Position 12345
3. 3
   Campaign measles

   Measles becomes a disease U.S. doctors and labs must report

   Position 12345
4. 4
   Campaign polio

   The World Health Assembly resolves to eradicate polio

   Position 12345
5. 5
   Elimination polio

   The last case of wild polio acquired in the United States

   Position 12345

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