Line for May 27, 2026

Earliest

1. 1
   Vaccine malaria

   WHO recommends the first malaria vaccine for wide use in children

   Position 12345
2. 2
   Campaign measles

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

   Position 12345
3. 3
   Treatment bacterial infections

   A Nobel Prize for penicillin "and its curative effect"

   Position 12345
4. 4
   Vaccine Hib disease

   The first Hib vaccine is licensed in the U.S.

   Position 12345
5. 5
   Campaign Guinea worm

   Guinea worm is down to 14 human cases in a year

   Position 12345

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