Rabies virus -
In case of rabies virus death was considerd inevitable and no serious attempt at treatment was made REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.533
Can be isolated from the blood of infected patients
Has multiple antigenic types
Can be transmitted by a dog 4 weeks before the dog becomes noticeably ill
Produce infection that is almost fatal to humans
Virology