HERPESVIRUS Flashcards
1
Q
Herpesviruses are good antigens.
A
F
2
Q
Alphaherpesviruses are host specific slowly multiplying (>24hrs) viruses
A
F
3
Q
Alphaherpesviruses may cause latent infection in neurons of ganglia
A
T
4
Q
Some herpesviruses have a broad host spectrum (euryxen)
A
T
5
Q
Gammaherpesviruses may cause latent infection in neurons of ganglia
A
F
6
Q
Herpes viruses are resistant to detergents
A
F
7
Q
Herpesviruses are generally weak antigens
A
T
8
Q
Herpesviruses can cause latent persistent infections
A
T
9
Q
Herpesviruses are typically stenoxen viruses, but there are significant exceptions
A
T
10
Q
Herpesviruses are strong antigens, therefore single vaccinations provide lifelong
protection
A
F
11
Q
Herpesviruses are enveloped viruses, therefore they are sensitive to detergents
A
T
12
Q
There are no serological cross-reactions between different herpesvirus species.
A
F
13
Q
Because the genome of herpesvnruses is very stable, no attenuated mutant vaccine
strains are available.
A
F
14
Q
Infectious bovine vulvovaginitis virus strains cause abortions and foetal deformities
A
F
15
Q
Herpesvirus infections frequently result in latent virus carry.
A
T
16
Q
Herpesviruses usually cause latent infections and life-long virus carries
A
T
17
Q
Infectious bovine rhinotracheitis virus can cause abortion.
A
T
18
Q
The use of marker vaccines can help the eradication of infectious bovine rhinotracheitis
virus.
A
T
19
Q
The most frequently used eradication strategy for IBRV is selection with the help of
marker vaccines
A
T
20
Q
Marker vaccines can be used in IBRV eradication programs in cattle farms.
A
T
21
Q
Antibodies against infectious bovine rhinotracheitis virus (IBRV) might be detected in the
milk
A
T
22
Q
Conjunctivitis and blepharitis are signs of infectious bovine rhinotracheitis.
A
T
23
Q
The infectious bovine rhinotracheitis virus (IBRV) causes haemorrhagic gastroenteritis.
A
F
24
Q
Infectious bovine rhinotracheitis virus also causes mastitis in cows
A
F
25
Infectious bovine rhinotracheitis virus is transmitted by arthropods
F
26
Infectious bovine rhinotracheitis virus can cause fatal encephalitis in calves
T
27
Infectious Bovine Rhinotracheitis virus frequently causes encephalitis in old cow and
bulls
F
28
Infectious Bovine Rhinotracheitis virus frequently causes encephalitis in old sow and bulls
F
29
Infectious Bovine Rhinotracheitis can be endemic on cattle farms
T
30
Infectious bovine rhinotracheitis virus can cause skin lesions on the genitals
T
31
Bulls can shed the infectious bovine rhinotracheitis with semen
T
32
Pregnant cows should be immunized with inactivated vaccines against IBRV
T
33
Attenuated vaccines are used in pregnant cows against Infectious Bovine Rhinotracheitis
virus
F
34
Infectious bovine rhinotracheitis virus can cause abortion.
T
35
Because Bovine herpesvirus l causes latent infections; it is not possible to eradicate it
from a cattle population
F
36
Bovine herpesvirus l may cause encephalitis in calves.
T
37
IBRV may cause encephalitis in calves.
T
38
Only inactivated vaccines are available against Bovine herpesvirus l.
F
39
Bovine herpesvirus 1 may be transmitted through semen.
T
40
Seropositive cattle cannot be carriers of the Infections Rhinotracheitis virus
F
41
Infectious Bovine Rhinotracheitis virus (IBRV) can be transmitted through vectors.
F
42
Because Bovine herpesvirus l causes latent infections; it is not possible to eradicate it
from a cattle population.
f
43
Bovine herpesvirus l may cause encephalitis in calves.
T
44
Only inactivated vaccines are available against Bovine herpesvirus l.
F
45
Bovine herpesvirus 1 may be transmitted through semen.
T
46
Seropositive cattle cannot be carriers of the Infections Rhinotracheitis virus.
F
47
The IBR virus causes nephritis in calves usually in the age between one and six months.
F
48
Infectious Bovine Rhinotracheitis (IBR) cause serous nasal discharge.
F
49
Infectious Bovine Rhinotracheitis in 6-month-old calves usually causes pneumonia.
T
50
Infectious Bovine Rhinotracheitis in cattle 6 months of age can cause encephalitis.
F
51
Infectious Bovine Rhinotracheitis often cause genital lesions with vesicles.
T
52
Infectious Bovine Rhinotracheitis may cause inflammation of conjunctiva
T
53
Infectious Bovine Rhinotracheitis cause purulent discharge.
T
54
In Hungary the gE-negative marker vaccine is to be used in the control of Infectious
Bovine Rhinotracheitis.
T
55
Infectious Bovine Rhinotracheitis is rapidly spread within the herd.
F
56
Infectious Bovine Rhinotracheitis is no longer present in Hungary.
F
57
The respiratory form of Infectious Bovine Rhinotracheitis is often followed by genital
symptoms.
F
58
Infectious Bovine Rhinotracheitis spreads slowly within a herd.
T
59
We can see characteristic clinical signs of Infectious Bovine Rhinotracheitis in day-old
calves
F
60
We are doing Infectious Bovine Rhinotracheitis virus eradication programs in Hungary
T
61
Infectious Bovine Rhinotracheitis virus mainly cause encephalitis in cattle older than 6
months.
F
62
Infectious Bovine Rhinotracheitis mainly causes pneumonia in 1-6 months old calves.
T
63
Infectious Bovine Rhinotracheitis is rare, BHV-1 only affects cattle.
F
64
In the transmission IBRV, the most important route is the germinative route
F
65
Genital form of IBR is often followed by abortion
F
66
IBR can occur in several clinical forms.
T
67
\IBR is a frequent infection, cattle and its closest relatives are affected
T
68
Bovine Herpes virus 2 frequently causes abortion
F
69
Bovine herpes mamillitis virus can cause mastitis in cows
F
70
Bovine herpes mamillitis virus may cause lesions on the muzzle of suckling calves
T
71
The bovine herpes mamillitis virus causes lesions on the skin of the milkers, therefore it is a zoonotic agent.
F
72
Bovine herpesvirus 2 may cause generalised skin lesions
T
73
Bovine herpesvirus 2 is the most frequent primary cause of mastitis in cattle
F
74
Bovine Herpes Mammillitis virus causes milkers' nodules in humans.
F
75
Bovine Herpes Mammillitis virus may cause lesions on the lips of milking calves.
T
76
Regarding Bovine Herpes Mammillitis, mainly heifers show clinical signs
T
77
Swine inclusion body rhinitis virus is causing mainly subclinical infection.
T
78
Bloody nasal discharge can be a sign of swine inclusion body rhinitis
T
79
Clinical manifestation of swine inclusion body rhinitis is usually seen in piglets less than 3
weeks old
T
80
Inclusion body rhinitis is predisposing to fatal respiratory disease in pigs
F
81
Suid herpesvirus 2 may cause upper respiratory tract disease in piglets
T
82
Swine Inclusion Body Rhinitis is usually seen in piglets
T
83
The Swine Inclusion Body Rhinitis virus may cause reproductive problems in sows.
T
84
Malignant catarrhal fever is mostly fatal in sheep.
F
85
Malignant catarrhal fever is an alphaherpesvirus causing latent infection in ganglia
F
86
Malignant catarrhal fever develops only in suckling calves up to two weeks of age.
F
87
Malignant catarrhal fever can be seen only in calves younger than one month.
F
88
Malignant catarrhal fever causes only mild respiratory disease in sheep
F
89
Sheep should be immunised against malignant catarrhal fever virus
F
90
Malignant catarrhal fever may develop in swine too
T
91
Malignant catarrhal fever is frequently seen in cats
F
92
Cattle should be vaccinated against malignant catarrhal fever
F
93
Goats are the reservoir hosts of the malignant catarrhal fever virus
F
94
The incubation period of malignant catarrhal fever is less than one week
F
95
Malignant catarrhal fever is quickly spreading from cattle to cattle.
F
96
Cattle should be vaccinated against malignant catarrhal fever in every six months.
F
97
The malignant catarrhal fever is caused by Bovine Herpes virus-2
F
98
Malignant Catarrhal Fever is usually lethal in cattle.
T
99
Rodents are the reservoir hosts of the Malignant Catarrhal Fever virus.
F
100
Swine are the reservoir host of the Malignant Catarrhal Fever virus.
F
101
The Malignant Catarrhal Fever is caused by Bovine herpesvirus-2
F
102
We vaccinate calves 2 times against Malignant Catarrhal Fever
F
103
Swine are affected by Malignant Catarrhal Fever
T
104
Malignant Catarrhal Fever does not occur in Europe.
F
105
Malignant Catarrhal Fever can cause diarrhoea
T
106
Malignant Catarrhal Fever spreads slowly within a cattle herd.
F
107
Malignant Catarrhal Fever occurs if we keep cattle and sheep together
T
108
Malignant Catarrhal Fever does not occur in Hungary
F
109
The Aujeszy’s disease virus is stenoxen.
F
110
Wild boars are not susceptible to Aujeszy’s disease virus.
F
111
Abortion of sows can be a sign of Aujeszys disease
T
112
Pregnant sows may abort in Aujeszky's disease.
T
113
Dogs should be vaccinated against Aujeszys disease
F
114
Carnivores are the reservoir hosts of the Aujeszky’s disease virus
F
115
The Aujeszys disease in cats is usually a mild respiratory disease with quick recovery
F
116
The signs of Aujeszys disease in dogs are similar to rabies
T
117
The natural reservoir hosts of the Aujeszys disease virus are rodents
F
118
The Aujeszy disease causes fatal pneumonia in Ruminants and Carnivores
F
119
The Aujeszy disease is zoonosis
F
120
The symptoms of Aujeszys disease in ruminants is similar to rabies
T
121
The Aujeszy disease virus may infect several mammalian hosts
T
122
The Aujeszy disease virus is stenoxen
F
123
Aujeszys diseases can be latently carried by pigs in the nervous system
T
124
Central nervous signs of the Aujeszky’s disease are rarely seen in adult swine
T
125
Convalescent swine are life-long carriers and potential shedders of Aujeszky's disease
virus
T
126
Swine are immunized against the Aujeszky's disease virus usually with gE negative
marker vaccines
T
127
Rats are the reservoir hosts of the Aujeszky's disease.
F
128
The Suid herpesvirus 1 frequently causes encephalitis in humans.
F
129
Liquid manure may play a role in the transmission of Suid herpesvirus 1 from swine to
cattle
T
130
Discriminative ELISA tests may differentiate between vaccinated swine wild type Suid-
herpesvirus infected ones
T
131
In adult swine the most frequent manifestation of Aujeszky's disease is encephalitis
F
132
ujeszky's disease virus infection in adult pigs is frequently subclinical.
T
133
Pigs infected with wild type Aujeszky's disease virus can be differentiated from
vaccinated ones by serological tests (i.e ELISA).
T
134
Cattle should be vaccinated against Malignant Catarrhal Fever.
F
135
Aujeszky ś disease can occur in pigs and cats.
T
136
Aujeszky ś disease in pigs causes viraemia
T
137
Aujeszky ś disease in cats spreads along the nerves.
T
138
Aujeszky ś disease can cause respiratory signs in adult pigs.
T
139
Aujeszky ś disease causes fever in day old piglets
T
140
Aujeszky`s disease causes pneumonia in susceptible piglets.
F
141
Aujeszky`s disease doesn’t cause clinical signs in susceptible piglets
F
142
Aujeszky`s disease causes pruritus in susceptible piglets
F
143
Aujeszky`s disease causes 20-30% mortality in susceptible piglets.
F
144
Older pigs are more frequently affected by Aujeszky ś
F
145
Conjunctivitis is a frequent sign of duck viral enteritis.
T
146
Only sporadic clinical cases of duck viral enteritis are seen in an affected flock
F
147
Mallards may transmit the duck enteritis virus to domestic ducks kept on lakes
T
148
Liver dystrophy is a frequent lesion of duck viral enteritis (duck plaque)
T
149
Wild ducks may be persistently infected with duck plaque (duck enteritis) virus
T
150
Duck plaque virus may be shed life long by animals recovered from the disease
T
151
```
Duck plaque (viral enteritis) can’t cause high mortality without secondary bacterial
infection
```
F
152
Duck plaque and duck viral enteritis are two names of the same diseas
T
153
Duck viral enteritis is seldom fatal
F
154
Treatment is the most effective control method for duck viral enteritis.
F
155
Duck plague is more sever in wild birds than in domestic ducks.
F
156
Duck plague virus damages blood vessel endothelium
T
157
Duck plague only affects young ducklings
F
158
Duck plague is only seen in day old ducklings
F
159
Duck viral enteritis is usually mild, osmotic diarrhoea.
F
160
Duck plague infects exclusively domestic and wild ducks
F
161
Antibiotic treatment is the most effective control method for Duck Viral Enteritis.
F
162
Duck plague infects exclusively domestic and wild ducks.
F
163
Beak deformity is a typical sign of Duck Plague.
F
164
Muscovy duck are resistant to the Duck Viral Enteritis.
F
165
Duck Plague/Duck viral Enteritis cause high mortality in all ages
F
166
Duck Plague/Duck viral Enteritis clinical signs in young ducks are only seen in birds up to
4 weeks of age.
F
167
Vaccines containing a live attenuated strain can be used for prevention against Duck
Plague
T
168
uck Plague/Duck viral Enteritis vaccination is not needed as clinical signs are mild
F
169
Duck Plague virus can “settle” in wild ducks.
T
170
Duck Plague is an outbreak of Avian influenza in ducks, with a host-adapted version of
the virus.
F
171
Duck Plague only causes hepatitis in young ducks.
F
172
Duck Plague only causes disease in ducks and geese
F
173
Duck Plague virus causes high mortality in both old and young birds
F
174
Duck Plague also affects geese.
T
175
Duck Plague is a disease of young ducks only
F
176
Duck Viral Enteritis can affect all age groups.
T
177
Depression, respiratory signs and bloody diarrhoea are main signs of Duck Plague.
T
178
In most cases the Duck Plague disease remain symptomless.
F
179
Duck Plague is more severe in wild birds than domestic ducks.
F
180
Conjunctivitis is a frequent sign of Duck Plague.
T
181
Pigeon herpesvirus mainly causes encephalitis in adult pigeons.
F
182
Pigeon herpesvirus infections usually result a haemorrhagic deadly disease.
F
183
Pigeon herpesvirus is characterised by focal necrosis in the liver in pigeons.
T
184
Pigeon herpesvirus kills mostly day old pigeons
F
185
Pigeon herpesvirus infection causes feather development problems
F
186
Pigeon herpesvirus infections mainly affect young pigeons.
T
187
Pigeon herpesvirus mainly causes encephalitis in adult pigeons
F
188
Pigeon herpesvirus infection is frequently combined with adenovirus and circovirus
infection.
T
189
Pigeon herpesvirus may cause respiratory disease in young pigeons.
T
190
Pigeon herpesvirus causes conjunctivitis, rhinitis, pharyngitis and diarrhoea in the acute
stage.
T
191
Pigeon herpesvirus infection is related to Marek’s disease.
T
192
Pigeon herpesvirus has the highest mortality in day-old pigeons.
F
193
Diarrhoea and nasal discharge are common in Pigeon herpesvirus infections
T
