ITALY - AUGUST 01:  Chemical incident occurred in 1976 releasing of a chemical product that contaminated of the surrounding population areas in Seveso. Milan, Hospital Major. Doctor Petri and his nurses with 4 of the 7 children burnt by the cloud of dioxin. NB 94122 in Milan, Italy in August, 1976.  (Photo by Francois LOCHON/Gamma-Rapho via Getty Images)