Neurological complications following rabies vaccine are common with

(B) Chick embryo vaccine # Egg vaccines:> Duck egg vaccine prepared from a fixed virus adapted for growth in duck eggs and inactivated with beta propiolactone was used, but was discontinued because of its poor immunogenicity. A purified, more potent duck egg vaccine was developed, but was supplanted by tissue culture vaccines which became available then,> Live attenuated chick embryo vaccines: two types of vaccines were developed with the Flury strain-the Low Egg Passage (LEP) vaccine at 40-50 egg passage level for immunisation of dogs and the High Egg Passage (HEP) vaccine at 180 passage level for cattle and cats, these are not in use now because of their high neurological complications.