Answer :USMLE step 2 Mcq 354:A 24yr old man had gone for a hiking trip where he was attacked and bitten by a coyote



Correct Answer: B

Rabies is 100 percent fatal disease caused by a rhabdovirus. It can infect any warm blooded mammal. The virus is excreted in the saliva of the infected animal and the disease spreads by the bite of the animal. The virus travels along the nerve and causes acute encephalomyelitis.Coyotes and raccoons are the major reservoirs of rabies in North America. Any unprovoked attack by a wild animal is taken as exposure to rabies unless proved otherwise.So Rabies being a 100% fatal disease immediate prophylactic immunization against it should be started.Parvo virus infection is basically an animal infection and not transmitted by the bite of animals.Diphtheria is also not transmitted by the bite of an animal. It is strictly a human disease caused by droplet infection.Lyme disease is caused by the bite of ioxid ticks and not by the bite of animals.


>>>> Post your Answer Here ????

Design by