Coronavirus Flashcards
1
Q
Human coronavirus was not known before 2020
A
F
2
Q
Recombination between coronaviruses is frequent
A
T
3
Q
Recombination between coronaviruses is rare
A
F
4
Q
Coronaviruses are of two origin: bird or bat
A
T
5
Q
Human coronaviruses usually cause death
A
F
6
Q
Coronaviruses are enveloped viruses
A
T
7
Q
BCoV can cause haemagglutination
A
T
8
Q
IBV can cause haemagglutination
A
F
9
Q
PDCov can cause haemagglutination
A
F
10
Q
CCoV can cause haemagglutination
A
F
11
Q
TGEV can cause haemagglutination
A
F
12
Q
FIPV can cause haemagglutination
A
F
13
Q
HeCoV can cause haemagglutination
A
T
14
Q
PEDV can cause haemagglutination
A
F
15
Q
Coronaviruses can survive for months in the environment
A
F
16
Q
Coronaviruses frequently mutate and recombine
A
T
17
Q
Coronaviruses have a weak physical resistance
A
T
18
Q
In the case of transmissible encephalopathies always degenerative lesions can be seen
A
T
19
Q
In the case of transmissible encephalopathies meningoencephalitis is a typical postmorten lesion
A
F
20
Q
Typical sign of TGE is vomiting and diarrhoea
A
T
21
Q
TGE virus does not reach the mammary gland
A
F
22
Q
TGE virus can replicate in the lungs
A
T
23
Q
The colostral immunity against TGE protects the piglets from the disease
A
T
24
Q
The antibodies against porcine respiratory coronavirus protect the pigs against TGE
A
T
25
TGE virus does not reach foetuses
T
26
TGE virus does not cause haemagglutination in vitro
T
27
TGE virus causes respiratory signs in piglets
False
Replicates in the lung, but does not cause any respiratory signs
28
TGE virus can cause haemagglutination in vitro
F
29
TGE can cause 100% mortality in newborn piglets
T
30
The pathology of TGE is not characteristic
T
31
TGE virus does not cause dehydration
F
32
The pathognomic sign of TGE is necrosis in the large intestines
F
33
TGE virus can replicate in the intestine
T
34
Porcine transmissible gastroenteritis (TGE) is completely eradicated in Europe
F
35
TGE causes 100% mortality in sows
F
36
The incubation time of TGE is usually 5-7 days
F
37
TGE virus infects the digestive and the respiratory systems
T
38
TGEV is widespread and fully replaced porcine epidemic diarrhoea (PED) virus
F
39
Porcine respiratory coronavirus induces cross-protection against PED
F
40
Today TGE occurs in an enzootic form
T
41
The characteristic symptoms of TGE are vomiting and diarrhoea
T
42
TGE infects only swine
F
Dog, fox and mouse can shed the virus --> seropositive without disease
43
TGE virus causes high morbidity
T
44
Transmissible gastroenteritis is the more severe in piglets than in adult swine
T
45
The mortality caused by transmissible gastroenterities of swine is the highest among old sows
F
46
Transmissible gastroenteritis of swine is a widespread disease, causing high losses in Europe
F
47
The lesions of transmissible gastroenteritis of swine are in the gastric mucosa and in the small intestines
T
48
Transmissible gastroenteritis of pigs is more frequent in the tropical countries than the moderate climate
F
49
There is no cross protection between transmissible gastroenteritis virus and the pulmonary coronavirus of pigs
F
50
Transmissible gastroenteritis virus can cause clinical disease only in pigs
T
51
Transmissible gastroenteritis virus spreads rapidly in the herd
T
52
The epizootic TGEV spreads rapidly
T
53
The epizootic TGEV can cause disease mainly in winter
T
54
The epizootic TGEV can be transmitted with milk
T
55
The epizootic TGEV does not cause viraemia
F
56
Transmissible gastroenteritis virus provides cross protection to haemagglutination coronavius
F
57
TGE mainly cause croupous pneumonia
F
58
TGE replaces the respiratory corona virus
F
59
TGE appears in Hungary
T
60
TGE causes 100% mortality in susceptible piglets under 1 week of age
T
61
Porcine transmissible gastroenteritis is completely eradicated in Europe
F
62
PED is similar to TGE
T
63
The incubation time of TGE is usually 1-3 days
T
64
TGE virus infects the digestive and the respiratory system
T
65
Only pigs are susceptible to TGE infection
F
66
Maternal immunity is essential against TGE infection of piglets
T
67
Today TGE occurs in epizootic form
T
68
TGE is completely eradicated in Europe
F
69
Transmissible gastroenteritis is usually asymptomatic in adults
T
70
Transmissible gastroenteritis virus can cause clinical signs in dogs
F
71
The Porcine respiratory coronavirus has been evolved from the transmissible gastroenteritis virus
T
72
Porcine respiratory coronavirus induces cross-protection from transmissible gastroenteritis
T
73
TGE infection is devastating at any age
F
74
The incubation period of TGE can be as short as 8 hours
F
75
Pig has betacoronavirus
T
76
Pigs has only alphacoronavirus
F
77
The porcine coronavirus may be avian virus
T
78
The antibodies against porcine respiratory coronavirus protect the pigs against porcine epidemic diarrhoea virus
F
79
Mutations and recombinations do not occur in swine coronaviruses
F
80
PRCoV usually causes pneumonia
F
81
Porcine respiratory coronavirus causes acute pneumonia in susceptible piglets
F
82
Porcine respiratory coronavirus reduced the prevalence of porcine epidemic diarrhoea
F
83
Porcine respiratory coronavirus induces cross protection from TGE
T
84
Swine pulmonary corona virus has a high mortality by pneumonia
F
85
Porcine respiratory coronavirus is a modification of the Hemagglutinating encephalomyelitis cirus
F
86
PRCoV gives cross protection against TGEV
T
87
PDCoV causes symptoms in pigs
T
88
Porcine respiratory coronavirus causes acute pneumonia in susceptible piglets
F
89
Porcine epidemic diarrhea can cause clinical signs in older animals
T
90
The virus causing porcine epidemic diarrhea can replicate in the colon
T
91
PEDV also occurs in Europe
T
92
The porcine epidemic diarrhea virus causes disease in calf
F
93
Porcine epidemic diarrhea virus can cause disease in humans
F
94
The virus causing porcine epidemic diarrhea can replicate in the heart muscle of the foetus
F
95
Porcine epidemic diarrhea virus causes more severe symptoms in adult than in young piglets
F
96
Porcine epidemic diarrhea is present only in Africa and in the Middle East
F
97
Porcine epidemic diarrhea usually resembles TGE
T
98
Porcine epidemic diarrhea can be transmitted by infected dogs and cats
F
99
Porcine epidemic diarrhea frequently occurs in Europe
F
100
PHEV gets to central nervous system via the peripheral nerves
T
101
PHEV causes diarrhea
F
102
Hemagglutination encephaomyelitis virus infects young pigs
T
103
Hemagglutination encephalomyelitis virus is typically vectored by mosquitoes
F
104
Hemagglutinating coronavirus can cause encephalomyelitis in suckling piglets
T
105
Hemagglutinating coronavirus can cause severe diarrhea in sows
F
106
Hemagglutinating coronavirus/Ontario Disease is sporadic in Hungary
T
107
Hemagglutinating coronavirus of pigs is frequently causing malabsorption in sows
F
108
The hemagglutinating encephalomyelitis virus multiplicate in hematopoietic stem cells of the bone marrow
F
109
Hemagglutinating coronavirus is present worldwide
T
110
The occurrence of coronavirus encephalomyelitis of piglets is usually sporadic
T
111
Deltacoronavirus of pigs is a bat virus
F
112
Deltacoronavirus of pigs is an avian virus
T
113
Bovine coronavirus is generally spreading in summer
F
114
The bovine coronavirus is of avian origin
F
115
Bovine coronavirus is betacoronavirus
T
116
Bovine coronavirus is alphacoronavirus
F
117
Bovine coronavirus remains at the place of the primary replication, and it does not cause viraemia
F
118
Bovine coronavirus is generally spreading in winter
T
119
Certain bovine coronaviruses can cause diarrhea in children
F
120
Bovine coronaviruses usually infect the respiratory and the digestive systems
T
121
Bovine corona virus causes diarrhea in adult animals mainly in the summer
F
122
Bovine corona virus can cause respiratory problems
T
123
Cattle can be infected with coronavirus per os
T
124
Cattle can be infected with coronavirus by inhalation
T
125
Bovine coronavirus can infect humans
F
126
Bovine coronaviruses causes mainly respiratory and enteric diseases
T
127
Certain bovine coronaviruses can affect humans causing clinical signs
F
128
Coronaviruses mainly cause central nervous disease in cattle
F
129
Calves can be protected against coronavirus diarrhea by vaccination of pregnant cows
T
130
Mortality of calf enteral coronavirus is high
T
131
Bovine coronaviruses can cause diarrhea only in calves up to one month of age
F
132
Coronavirus diarrhea occurs in young calves between a few days and 3-4 weeks of age
T
133
Coronavirus dysentery in calves can be observed up to 3 weeks of age
T
134
Coronavirus can cause enteritis in calves typically on the first week of life
T
135
Calf coronavirus diarrhea is characterized by several respiratory signs
F
136
Mortality of calf respiratory coronavirus is high
F
137
Bovine coronaviruses may cause respiratory signs in calves
T
138
Winter diarrhea mainly affects dairy herds
T
139
Bovine coronavirus can cause diarrhea in adult animals
T
140
Coronaviruses cause winter diarrhea in dairy cows with haemorrhagic access (?)
T
141
There are no vaccines for the prevention of coronaviral diarrhea in cattle
F
142
Winter dysentery causes symptoms in younger age (up to 6 months of age)
F
143
Coronaviruses cause winter diarrhea in dairy cows
T
144
Surviving winter dysentery gives permanent protection only against homologous infection
T
145
Dogs have only one type of coronavirus
F
146
The canine coronavirus is a zoonotic agent
F
147
Canine coronavirus can always cause enteral disease
F
148
There is a vaccine against canine coronavirus
T
149
Canine coronavirus (CCOV-1) causes diarrhea in young, susceptible dogs
T
150
Canine coronaviruses frequently cause encephalitis and hepatitis in puppies
F
151
Canine alphacoronavirus type II may cause haemorrhagic disease in 1-2 month-old-pups
T
152
Canine coronavirus are only present in North America
F
153
Canine coronavirus vaccines effectively protect from any Canine coronavirus infection
F
154
CCoV-IIa infections are endemic worldwide
F
155
Canine enteral coronavirus and porcine coronavirus are genetically closely relative
F
156
Dog enteral coronavirus: some strains can cause haemorrhagic diseases in some visceral organs
T
157
Canine coronavirus-2 infections are characterized by haemorrhagic diarrhea in puppies
T
158
There are no protective vaccines available against Canine enteric coronavirus
F
159
Canine pantropic coronavirus is an agent of kennel cough
F
160
Canine pantropic coronavirus causes subnormal temperature
F
161
Canine pantropic coronaciruses damage only the mucous membranes
F
162
Canine pantropic coronaciruses causes high fever
T
163
Pantropic canine coronavirus infections are endemic worldwide
F
164
Pantropic canine coronavirus causes a mild respiratory disease in suckling dogs
F
165
The canine respiratory coronavirus belongs to a different group than enteral coronavirus
T
166
Canine respiratory coronavirus and human coronaviruses are genetically very distant relatives in all cases
F
167
Canine respiratory coronavirus and bovine coronaviruses are genetically closely relatives
T
168
Canine respiratory coronavirus infection results cross-protection against CCOV-I
F
169
In suckling dogs CCoC-II infection causes respiratory disease
F
170
Canine coronavirus is part of kennel cough
T
171
The FIP is a pathotype of feline coronavirus
T
172
Almost all cat vaccines contain antibodies against FIP
F
173
The wet form of FIP is II. type of hypersensitivity
F
174
The dry form of FIP is I. type of hypersensitivity
F
175
The dry form of FIP is IV. type of hypersensitivity
T
176
FIP is an incurable disease
T
177
FIP is caused by jackal coronavirus
F
178
FIP responds well to antibiotic treatment
F
179
Most animals infected with feline coronavirus develop FIP
F
180
Cats can be vaccinated against feline coronavirus, but protection against FIP is not effective
T
181
The dry form of FIP is I. type of hypersensitivity
F
182
The feline coronavirus causes viraemia only in FIP
F
183
The feline coronavirus is usually an enteric disease
T
184
The feline coronavirus is a zoonotic agent
F
185
Feline enteric coronavirus (FECOV) can only infect Felidae
T
186
Feline enteric coronaviruses may infect dogs
F
187
Feline infectious peritonitis viruses form a single serotype
F
188
Feline enteric coronavirus infection usually causes sudden death of queens
F
189
In the background of FIP can be immunopathological processes
T
190
FIP causes infection only in cats younger than 1 year of age
F
191
Feline corona virus does not have a long infection/carrier time
F
192
Feline infectious peritonitis (FIP) develops only in adult cats (over 1 year of age)
F
193
Decreased serum albumin/globulin ratio may indicate FIP
T
194
Feline enteric coronavirus usually causes severe, haemorrhagic enteritis in kittens
F
195
Cell-mediated hypersensitivity plays a major role in the background of non-effusive feline infectious peritonitis
T
196
All species of Felidae are susceptible to feline coronaviruses
T
197
Coronaviruses can cause asymptomatic infection in cats
T
198
Feline coronaviruses can cause mild watery diarrhoea
T
199
Feline infectious peritonitis is an acute disease, it appears after a 2-3 days long incubation
F
200
Feline coronavirus is a recombinant canine virus
T
201
Feline enteric coronavirus causes FIP in 5-10% of cases
T
202
FIP mainly infects with faeces
T
203
Feline enteric coronavirus (FECoV) can only infect Felidae
T
204
Feline infectious peritonitis viruses form a single serotype
F
205
Effusive FIP is the result of a type 3 hypersensitivity reaction
T
206
Feline enteric coronavirus infection of cats is very common
T
207
Vaccine effectively protects from feline infectious peritonitis
F
208
Feline coronavirus has two serotypes, both having two pathotypes
T
209
FECoV infection usually causes acute haemorrhagic enteritis
F
210
FECoV infection usually causes acute haemorrhagic enteritis
F
211
The feline enteric coronavirus usually does not cause severe enteritis
T
212
FIP forms because of immunotolerance
F
213
In the presence of high-titer antibody level, infectious peritonitis cannot develop in cats
T
214
Avian coronaviruses provide long lasting yolk-immunity
F
215
Inactivated vaccine against IBV can be used any ages
216
A clinical sign of IBV can be nephritis
T
217
IBV has nephropathogenic strains
T
218
Infectious bronchitis virus causes tracheitis and pneumonia in chicken below 6 weeks of age
T
219
The eggs are not infected in infectious bronchitis virus
T
220
IBV, the most important route is the germinative route
F
221
IBV, have a wide range of serotypes including many variant strains
T
222
IBV, cause stunting growth when embryonated egg is infected
F
223
IBV is an arterivirus
F
224
Mortality of IBV is high every ages
F
225
Mortality of IBV depends on the coinfections
T
226
IBV causes swollen oviducts in chicken
T
227
Mortality of IBV depends on the age
T
228
IBV can cause soft-shelled eggs
T
229
IBV cannot cause viraemia
F
230
The infectious bursitis virus IBDV is inactivated within 1-2 days in the environment
F
231
Infectious bronchitis viruses belong into 3 distinct serotypes
F
232
Infectious bronchitis viruses damages the ovaries only in hens
F
233
Infectious bronchitis virus can cause renal problems
T
234
Infectious bronchitis virus can cause inflammatory lesions in the oviduct of chicken
T
235
Infectious bronchitis virus vaccines are used against turkey enteritis
F
236
Infectious bronchitis virus can cause severe respiratory signs in young chicken
T
237
Infectious bronchitis virus can damage the oviduct
T
238
Infectious bronchitis can spread very slowly in the flock causing chronic disease
F
239
There are no vaccines for the prevention of infectious bronchitis of chicken
F
240
Infectious bronchitis virus of chicken is a uniform virus without any types of variants
F
241
There is no germinative infection in the case of infectious bronchitis of chicken
T
242
Infectious bronchitis virus replicated in the epithelial cells of the trachea and bronchi
T
243
Infectious bronchitis virus can result in damaged or abnormal shell formation
T
244
Infectious bronchitis has a lot of serotypes
T
245
Infectious bronchitis viruses may have different organ tropism
T
246
Germinative route is the most important in the transmission of infectious bronchitis
F
247
Inactivated vaccines can be used against infectious bronchitis
T
248
Attenuated vaccines can be used against infectious bronchitis
T
249
Infectious bronchitis viruses form 2 distinct serotypes
F
250
Infectious bronchitis viruses have a wide range of serotypes including many variants
T
251
The clinical signs of infectious bronchitis and newcastle disease may be similar
T
252
Coronavirus can cause diarrhea in turkeys
T
253
Turkey coronavirus does not cause strong diarrhea and causes no necrosis
F
254
Turkey enteritis is characterized by age-dependent mortality rates
T
255
Vaccination of turkey breeding flocks against turkey enteritis virus in mandatory
F
