A field demonstration of rabies control using chicken-embryo vaccine in dogs.

This paper reports on a WHO-sponsored field trial of the use, in conjunction with other usual control measures, of modified living-virus vaccine prepared in chicken embryo in a mass vaccination campaign in dogs in Israel with the purpose of assessing the value of the vaccine in an area where rabies was highly enzootic. The mass immunization of dogs with this vaccine was considered to be the decisive factor in achieving the low level of incidence of the disease which has been maintained in this country during the past three years.