In 1943, Jacob Light and Horace Hodes proved that a filterable agent in the faeces of children with infectious diarrhoea also caused scours (livestock diarrhoea) in cattle.
En 1943, Jacob Light e Horace Hodes probaron que un axente filtrable presente nas feces de nenos con diarrea infecciosa tamén causaba diarrea no gando vacún.