Zoonotic Diseases and Viral Hepatitis Overview

These flashcards cover key concepts related to zoonotic diseases and viral hepatitis, providing a review of definitions, epidemiology, symptoms, and treatments.

What are zoonotic diseases?

Diseases that can be transmitted from animals to humans.

Give an example of a disease caused by civet cats.

SARS.

What virus causes rabies?

Rabies virus, an RNA enveloped virus of the Rhabdovirus group.

What is the incubation period for rabies?

3 to 8 weeks, but can be as short as 6 days or as long as 1 year.

What is the primary vector for the Yellow Fever virus?

Aedes aegypti mosquito.

What are the typical clinical symptoms of rabies?

Fever, malaise, hydrophobia, agitation, and paralysis.

What is the recommended prophylactic treatment after a potential rabies exposure?

Combined passive and active immunization, including Human Rabies immune serum globulin (HRIG) and vaccine.

Describe the pathogenesis of Hepatitis A.

Person-to-person contact via fecal-oral route, exposure to contaminated food or water.

What is the characteristic clinical symptom of yellow fever?

Jaundice caused by liver involvement.

How is Hepatitis B transmitted?

Through contact with infected blood, sexual contact, and from mother to baby.

What is the incubation period for Hepatitis C?

Typically 5 to 10 weeks.

What is the main prevention method for Hepatitis B?

Vaccination.

What does the new Ebola vaccine, 'rVSV-ZEBOV', aim to do?

Provide immunity against the Ebola virus with effectiveness reported to be 70-100% within 5 days.

What are some complications associated with chronic Hepatitis C infection?

Liver cirrhosis and hepatic cancer.

What is the mortality rate of Hepatitis E, especially in pregnant women?

Approximately 20%.

Identify a treatment for Hepatitis C.

Combination of pegylated interferon and ribavirin.