TABLE 1.

Numbers of Publications of Plasma Cell Interstitial Pneumonia and Pneumocystis Pneumonia in Premature Infants in European Countries During the Mid-20th Century

Countries1920–19291930–19391940–19491950–19541955–19591960–1966
Germany45836792
Switzerland003421
Netherlands001010
Belgium001000
Sweden001230
Finland000850
Czechoslovakia0002580
France000550
Austria000360
Hungary000512
Spain000120
Italy0003180
Poland000050
Total reports4514921355
  • Data are from reports of Gadjusek,1 Koop,2 and Goudsmit.3 Many affected premature infants were noted in each report.