AdvertisementThe Warsaw Ghetto Can Teach The World How To Beat Back An OutbreakSeptember 02, 2020Fran KritzfacebookEmailCrowds of Jews in the Warsaw ghetto, Poland, 1942. The crowded conditions were conducive to the spread of typhus, but the number of cases dropped dramatically in the winter of 1941. A new study tries to determine the reasons for this public health success in the most dire of circumstances. (Universal Images Group via Getty)