Rabies is an infectious disease that is very harmful to humans and animals. Humans and animals are mainly caused by being bitten by infected dogs and infected with the virus. They die without exception. Medical research shows that: Injecting rabies vaccine within the next 24 hours can greatly reduce the chance of onset. From this we know:. ['Elimination of canine animals will eradicate rabies.', 'Injecting rabies vaccine can prevent death of virus infected people.', 'The incubation period of rabies virus in humans for years, even decades.', 'Some people infected with the virus will still die after receiving rabies vaccine.']