Lesson 17: Coronaviridae

Question 1

cause acute and chronic infections in humans and a wide variety
of animals, resulting in respiratory, enteric,hepatic, and neurologic diseases;

Answer 1

Coronaviruses

Question 2

Discovery of _________ triggered a search for the reservoir species which led to
the identification of reservoir hosts of the virus, and many novel human, bat, and
avian coronaviruses;

Answer 2

SARS-CoV

Question 3

infect a wide range of mammals (including humans, bats, and a
whale) and birds;

Answer 3

Coronaviruses

Question 4

was the first coronavirus to be isolated
from chicken embryos in 1937;

Answer 4

Avian infectious bronchitis virus (IBV)

Question 5

doughnut-shaped structure and the envelope contains a
large number of small spikes (15−20 nm) that resemble the peplomeres of
coronaviruses.

Answer 5

Toroviruses

Question 6

Torovirus particles consist of at least four structural proteins:

Answer 6

nucleocapsid
protein (N), unglycosylated membrane protein (M), spike glycoprotein (S), and
HE protein.

Question 7

antigenically related to coronaviruses of humans dogs and cats

Answer 7

Transmissible Gastroenteritis Virus (TGE)

Question 8

is the respiratory variant of the virus

Answer 8

Porcine Respiratory
Coronavirus (PRCoV)

Question 9

s relatively stabler in acidic environment (pH of 3.0) which allow
the virus to survive in the stomach and small intestine

Answer 9

Transmissible Gastroenteritis Virus (TGE)

Question 10

Both are prevented and controlled by vaccination with a live modified or
killed vaccine or
 Developing lactogenic immunity in piglets: immunity to the disease thru
colostrum from vaccinated sows
2. Porcine Epidemic Diarrhea Virus
3. Canine Enteric Coronavirus
4. Feline Infectios Peritonitis and Feline Enteric Coronaviurus
5. Rabbit Coronavirus
6. Ferret Coronavirus

Answer 10

Transmissible Gastroenteritis Virus (TGE) and Porcine Respiratory
Coronavirus (PRCoV)

Question 11

Animal Diseases Caused by Members of the
Genus Betacoronavirus

Answer 11

1. Porcine Hemagglutinating Encephalitis Virus
2. Bovine Coronavirus
3. Canine Respiratory Coronavirus
4. Equine Coronavirus
5. Rat Coronavirus
6. Mouse Hepatitis Virus