Part 1 of Essay
is an infectious disease of animals which is a member of a group of viruses constituting the family Rhabdoviridae. The virus particle is covered in a fatty membrane, is bullet-shaped, 70 by 180 nanometres and contains a single helical strand of ribonucleic acid (RNA). Although rabies is usually spread among domestic dogs ....

Part 2 of Essay
.... further. The time it takes to do this depends on the length of the nerve it must travel - a bite on the foot will have a much lengthier incubation period than a facial bite would. This period may last from two weeks to six months, and often the original wound will have healed and been forgotten by the time symptoms begin to occur. Symptoms in humans present themselves in one of two forms: ‘furious rabies', or ‘ dumb rabies'. The former is called such because of the severe nature and range of the symptoms. ....