A devastating prescribing error

The Diphtheria disaster at Medellin, Colombia. Diphtheria of a virulent type had been present in the district. In 1928, 45 of 105 patients died; in 1929, 68 of 109; and in 1930, 30 of 271. In consequence it was decided to test children by the Schick method and to immunize them with formalinized diphtheria toxin Read More …