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Epidemiology > Midterm 1: Poxvirus > Flashcards

Midterm 1: Poxvirus Flashcards

1
Q

The eradication of smallpox was successful because the immunity against the virus is strong

A

True

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2
Q

Poxviruses can cause generalised disease

A

True

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3
Q

The eradication of monkeypox was successful

A

False

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4
Q

The eradication of smallpox was successful because the virus has one and stable serotype

A

True

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5
Q

The eradication of smallpox was successful because there are clinical signs during the shedding

A

True

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6
Q

Poxviruses cause inclusion body in the cytoplasm

A

True

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7
Q

Pox viruses are epitheliotropic viruses

A

True

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8
Q

Poxviruses can cause local clinical signs

A

True

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9
Q

Poxviruses cause inclusion body in the nucleus

A

False

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10
Q

Pox viruses cause lesions in 4 stradia at the site of primer replication

A

False

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11
Q

Parapox viruses cause long lasting immunity

A

False

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12
Q

Serological cross-protectivity exists between certain poxvirus species but only within genus

A

True

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13
Q

Humans can be infected with the following poxviruses: Cowpox, Pseudocowpox, Vaccinia, Monkeypox, Parapox, Contagious Pustular Dermatitis

A

True

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14
Q

Poxvirus never causes viraemia and generalised infection

A

False

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15
Q

Poxvirus can cause cytoplasmic inclusion bodies

A

True

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16
Q

Poxvirus are a strong antigens, except for Orthopoxvirus

A

False

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17
Q

Poxvirus are a strong antigen, except for Parapoxvirus

A

True

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18
Q

Serological cross-reactions exist between certain poxvirus species

A

True

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19
Q

Poxviruses usually propagate in epithelial cells of the skin and mucosal surface

A

True

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20
Q

Orthopoxviruses are strong antigens

A

True

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21
Q

Parapoxviruses are strong antigens

A

False

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22
Q

Avipox viruses can cause fever and rash in children (chickenpox)

A

False

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23
Q

Poxviruses usually induce cell proliferation in epithelial cells of the skin and mucosal surfaces

A

True

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24
Q

Orthopoxviruses cause long-lasting immunity

A

True

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25
Q

Cowpox Virus virus can infect rodents

A

True

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26
Q

Cowpox causes a pockmark after Infection

A

False

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27
Q

Cowpox virus is a zoonotic agent

A

True

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28
Q

People are susceptible to cowpox virus infection

A

True

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29
Q

Cowpox is closely related to smallpox virus

A

True

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30
Q

Cowpox virus is frequently present in rodents

A

True

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31
Q

Cowpox can cause lesions in humans

A

True

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32
Q

Skin nodules and ulcers can be signs of cowpox infection in cats

A

True

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33
Q

Skin lesions may be seen in cats after Cowpox virus infection

A

True

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34
Q

In cattle, Cowpox lesions are usually seen on the teats

A

True

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35
Q

Rodents are reservoir hosts of the cowpox virus

A

True

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36
Q

Cowpox virus frequently causes abortions and encephalitis of calves

A

False

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37
Q

Cowpox virus can cause milker’s nodules in humans

A

True

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38
Q

Cowpox virus frequently causes transplacental infection and immune tolerance

A

False

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39
Q

The Cowpox virus infection is prevented by regular vaccination in endemic countries

A

False

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40
Q

In cattle the Cowpox infection is mostly fatal

A

False

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41
Q

Recovering from Cowpox leaves lifelong immunity

A

False

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42
Q

Cowpox virus is most frequently present in rodents

A

True

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43
Q

Cowpox virus may cause a generalised infection in elephants

A

True

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44
Q

Cowpox virus can infect wild animals

A

True

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45
Q

Pseudocowpox virus is closely related to smallpox virus

A

False

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46
Q

Pseudocowpox virus can infect cats

A

False

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47
Q

Pseudocowpox spreads slowly on a farm

A

True

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48
Q

Pseudocowpox virus usually causes nodules on face of infected cats

A

False

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49
Q

Reinfection can happen in the case of pseudocowpox virus

A

True

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50
Q

Pseudocowpox causes a pockmark after infection

A

False

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51
Q

Pseudocowpox virus usually causes itchy red nodules on the face of infected person

A

False

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52
Q

Pseudocowpox virus can cause itchy red nodules on the finger of an infected person

A

True

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53
Q

Pseudocowpox does not cause a milkers nodule

A

False

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54
Q

Pseudocowpox is a zoonotic agent

A

True

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55
Q

People are susceptible to pseudocowpox infection

A

True

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56
Q

Pseudocowpox infections result a long lasting immunity

A

False

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57
Q

In cattle, Pseudo-cowpox lesions are usually seen on the teats

A

True

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58
Q

Pseudo-cowpox can cause Pseudo-lumpy skin disease in cats

A

False

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59
Q

In cattle Pseudopox lesions are usually mild and transient

A

True

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60
Q

Recovering from Pseudocowpox leaves/results in lifelong immunity

A

False

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61
Q

Pseudocowpox virus only infects cloven-hoofed animals

A

False

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62
Q

Pseudocowpox infections may be present in humans

A

True

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63
Q

Bovine papular stomatitis virus can frequently cause coinfection with BVDV

A

True

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64
Q

Bovine papular stomatitis virus can frequently cause coinfection with herpes mammillitis virus

A

False

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65
Q

Vaccination against bovine papular stomatitis provides life-long immunity

A

False

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66
Q

Bovine Papular Stomatitis virus causes vesicles in the oral cavity and hoofs of cattle

A

False

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67
Q

Calves should be vaccinated against Bovine Papular Stomatitis

A

False

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68
Q

Bovine Papular Stomatitis can cause skin lesions in humans

A

True

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69
Q

Bovine Papular Stomatitis is frequently seasonal

A

True

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70
Q

Bovine Papular Stomatitis is caused by a Parapoxvirus

A

True

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71
Q

Lumpy skin disease is an OIE-listed disease

A

True

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72
Q

The mortality of lumpy skin disease is high (above 80%)

A

False

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73
Q

In lumpy skin disease the fertility is good

A

False

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74
Q

In lumpy skin disease direct contact is very important

A

False

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75
Q

In lumpy skin disease the arthropods as mechanical vectors are very important

A

True

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76
Q

The mortality of lumpy skin disease is less than 30%

A

True (? low but not sure if <30%)

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77
Q

The milk production is increased in lumpy skin disease

A

False

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78
Q

Ruminants are susceptible to the lumpy skin disease virus

A

True

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79
Q

The lumpy skin disease is only present in Africa

A

False

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80
Q

Lumpy skin disease causes high mortality in cattle

A

False

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81
Q

Arthropods play an important role in the transmission of lumpy skin disease virus

A

True

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82
Q

Lumpy Skin Disease virus is mostly transmitted by insects

A

True

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83
Q

Generalized Lumpy Skin Disease may cause abortion

A

True

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84
Q

Attenuated vaccines are available against lumpy skin disease

A

True

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85
Q

Lumpy skin disease is present only in Asia

A

False

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86
Q

Lumpy skin disease is a notifiable disease

A

True

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87
Q

Attenuated vaccines are available against Lumpy Skin Disease in endemic countries

A

True

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88
Q

Lumpy Skin Disease results in high mortality

A

False

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89
Q

Lumpy Skin Disease is caused by Parapox Viruses

A

False

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90
Q

Generalisation is frequent in lumpy skin disease virus infections

A

False

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91
Q

Lumpy skin diseases virus replicates in the epithelial cells

A

True

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92
Q

The contagious pustular dermatitis can cause pneumonia

A

False

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93
Q

The virus of contagious pustular dermatitis is same as orf

A

True

94
Q

Contagious pustular dermatitis can cause painful papules in the mouth

A

True

95
Q

The contagious pustular dermatitis is common in young lambs

A

True

96
Q

Contagious pustular dermatitis is a zoonotic disease

A

True

97
Q

The contagious pustular dermatitis virus is related to goat pox virus

A

False

98
Q

The contagious pustular dermatitis virus is related to pseudocowpox virus

A

True

99
Q

Contagious pustular dermatitis virus can infect goats

A

True

100
Q

The contagious pustular dermatitis can cause lameness

A

True

101
Q

Contagious pustular dermatitis virus can infect cows

A

False

102
Q

The orf virus is same as pseudocowpox

A

False

103
Q

Contagious pustular dermatitis (orf) virus causes skin lesions in pigs

A

False

104
Q

Contagious pustular dermatitis is often deadly at any age

A

False

105
Q

Virulent virus vaccines may be used for immunisation against Contagious Pustular Dermatitis of sheep (Orf)

A

True

106
Q

Contagious pustular dermatitis virus may survive in the environment for ages

A

True

107
Q

Vaccination against contagious pustular dermatitis virus provides lifelong protection

A

False

108
Q

The Orf virus is a zoonotic agent

A

True

109
Q

The Orf virus is very resistant in the environment

A

True

110
Q

Contagious Pustular Dermatitis can only be seen on the teats of ewes

A

False

111
Q

Inactivated vaccines are used against Contagious Pustular Dermatitis

A

False

112
Q

Strong crustation is frequent in Contagious Pustular Dermatitis

A

True

113
Q

Orf is a rare disease of sheep flocks and cattle herds

A

False

114
Q

Orf affects sheep flocks and goat herds, mainly young lambs and kids

A

True

115
Q

Neonatal lambs are susceptible to Orf, as they have no maternal immunity

A

True

116
Q

Lesions due to Orf, typically appear on the muco-cutaneous junction

A

True

117
Q

Sheep pox virus is a zoonotic agent

A

False

118
Q

Sheep and goat pox are OIE listed diseases

A

True

119
Q

Sheep and goat pox virus can cause generalisation, mainly in sheep

A

True

120
Q

A clinical sign of sheep pox can be horseshoe shaped pockmarks on the wool covered body

A

False

121
Q

Vaccines against sheep poxvirus are widely used in Europe

A

False

122
Q

A clinical sign of sheep pox can be the mucopurulent nasal discharge

A

True

123
Q

The sheep and goat pox occur in Asia

A

True

124
Q

Capripoxviruses cause long-lasting immunity

A

True

125
Q

A clinical sign of sheep pox can be the swollen eyelid

A

True

126
Q

The sheep and goat pox occurs worldwide

A

False

127
Q

Sheep and goat poxviruses are mainly taken through the oral route

A

False

128
Q

The sheep and goat pox virus is mainly spread by mosquitoes

A

False

129
Q

Clinical signs of sheep and goat pox are seen only at site of the primer replication

A

False

130
Q

Vaccines against sheep poxvirus are widely used in Africa

A

True

131
Q

Sheep pox and goat pox viruses are very resistant in the environment

A

True

132
Q

Sheep pox virus can cause skin lesions in humans

A

False

133
Q

Arthropods play an important role in the transmission of sheep pox virus

A

False

134
Q

Sheep pox virus infects mostly through inhalation

A

True

135
Q

Sheep and goat pox are endemic in Europe

A

False

136
Q

Sheep pox is deadly for young susceptible lambs

A

True

137
Q

The usual way of infection by sheep or goat pox is inhalation

A

True

138
Q

Sheep pox virus can cause respiratory signs and abortion

A

True

139
Q

Sheep – and goat pox are enzootic in Europe

A

False

140
Q

Sheep pox virus infections frequently generalise

A

True

141
Q

Sheep – and goat pox virus is transmitted only vertically.

A

False

142
Q

Vaccines are available against Sheep pox in endemic areas

A

True

143
Q

Sheep and goat pox are transmitted by infected animals and fomites

A

True

144
Q

Sheep pox is a generalised disease with fever

A

True

145
Q

Sheep pox results in high mortality in susceptible lambs

A

True

146
Q

Sheep and goat pox are endemic in Africa

A

True

147
Q

Swinepox virus can infect cattle

A

False

148
Q

The clinical signs of swinepox can be skin eruptions, red inflamed bumps

A

True

149
Q

Sui Poxviruses cause long lasting immunity

A

True

150
Q

The swinepox is always generalised

A

False

151
Q

Swinepox virus is a zoonotic agent

A

False

152
Q

The swinepox virus is present worldwide

A

True

153
Q

The swine pox virus causes clinical signs in case of bad hygienic conditions

A

True

154
Q

Arthropods play an important role in the transmission of swine pox virus

A

True

155
Q

Swinepox virus can infection swine at every age

A

True

156
Q

Swine Pox is frequently generalised in adult pigs

A

False

157
Q

Swine pox is usually a benign disease transmitted mainly by ectoparasites

A

True

158
Q

Swine pox is usually a benign disease, but mortality may occur in piglets

A

True

159
Q

Swine pox virus frequently causes interstitial pneumonia

A

False

160
Q

Swinepox virus can be vectored by fleas and lice

A

True

161
Q

Swine pox virus can cause respiratory signs and abortion

A

False

162
Q

Only pigs are susceptible to Swine pox

A

True

163
Q

Swine pox is frequently generalised in adult pigs

A

False

164
Q

Swine poxvirus infection gives lifelong immunity

A

True

165
Q

Swine poxviruses affects only pigs and grows only on porcine tissue.

A

True

166
Q

Swine poxvirus infection can be transmitted by arthropods

A

True

167
Q

Swine poxvirus infection might cause death in newborns

A

True

168
Q

The swinepox virus causes high economic losses

A

False

169
Q

Myxomatosis is a zoonotic disease

A

False

170
Q

Myxomatosis frequently causes serious clinical signs and high losses in Lepus europaeus

A

False

171
Q

A clinical sign of myxomatosis is the lion head

A

True

172
Q

A clinical sign of myxomatosis is the swollen belly

A

False

173
Q

The myxomatosis virus can be present in green fodder and mosquitoes

A

True

174
Q

Myxomatosis is not present in America

A

False

175
Q

Mosquito net can always prevent the myxomatosis

A

False

176
Q

Late summer is the best period to vaccinate rabbits against myxomatosis

A

False

177
Q

The attenuated myxomatosis virus has replaced the virulent virus in England

A

True

178
Q

The attenuated myxomatosis virus has replaced the virulent virus in France

A

False

179
Q

Myxomatosis causes seriously clinical signs in European Rabbits

A

True

180
Q

Myxomatosis causes serious clinical signs in cotton tailed Rabbits

A

False

181
Q

Myxomatosis is present in Australia

A

True

182
Q

Conjunctivitis can be a sign of atypical myxomatosis

A

True

183
Q

Subcutaneous swellings are frequent signs of myxomatosis

A

True

184
Q

Attenuated vaccines are available against myxomatosis

A

True

185
Q

Myxomatosis is only found in Australia

A

False

186
Q

Respiratory signs can be seen in atypical forms of myxomatosis

A

True

187
Q

The European brown hare is not susceptible to myxoma virus

A

True

188
Q

Myxomatosis is mostly seasonal

A

True

189
Q

There are no vaccines available against Myxomatosis

A

False

190
Q

Arthropods play an important role in the transmission of Myxoma virus

A

True

191
Q

Virulent strains of the myxoma virus are only present in Australia

A

False

192
Q

Myxomatosis virus causes high morbidity and mortality in hares

A

False

193
Q

The European brown hare may be an asymptomatic carrier of the Myxomatosis virus

A

True

194
Q

Conjunctivitis is characteristic in the early phase of Myxomatosis

A

True

195
Q

Tumour formation in the parenchymal organs is typical of Myxomatosis

A

False

196
Q

Virulent strains of the Myxoma virus are persisting in wild rabbits

A

True

197
Q

The nodular form of Myxomatosis is caused by strains of lower virulence

A

True

198
Q

Two Myxomatosis serotypes are known

A

True

199
Q

Several levels of virulence can be seen in Myxomatosis strains in Europe

A

True

200
Q

Myxomatosis may result in over 90% mortality, in susceptible animals

A

True

201
Q

Myxomatosis virus spread out to the world from China

A

False

202
Q

The atypical form of Myxomatosis frequently appears with respiratory signs

A

True

203
Q

Only domestic rabbits are susceptible to Myxomatosis

A

False

204
Q

Typical form of Myxomatosis presents with gelatinous swellings, “lion head” and cold- like symptoms

A

True

205
Q

Conjunctival or respiratory forms of Myxomatosis are atypical

A

True

206
Q

Myxomatosis causes benign localised skin lesions in cottontail rabbits

A

True

207
Q

Myxomatosis causes no viraemia in cottontail rabbits

A

True

208
Q

Avian pox viruses always cause cross immunity

A

False

209
Q

Fowlpox is a zoonotic disease

A

False

210
Q

The serious form of the fowlpox is the cutaneous form

A

False

211
Q

The serious form of the fowlpox is the diphtheric form

A

True

212
Q

Fowlpox virus cause long lasting immunity

A

False

213
Q

Fowlpox virus can infection only chicken

A

False

214
Q

The diphtheritic form of fowlpox is usually less severe than the cutaneous

A

False

215
Q

Heterologous viruses of avian pox frequently cause generalisation

A

False

216
Q

Fowl pox viruses cause generalised diseases in seals

A

False

217
Q

Avian pox viruses are frequently transmitted by insects

A

True

218
Q

The mucosal form of Fowl pox is benign

A

False

219
Q

Arthropods play an important role in the transmission of Fowl pox virus

A

True

220
Q

The diphtheric (wet) form of Fowl pox develops after viraemia and generalised infection

A

True

221
Q

Attenuated vaccines are available against Fowl pox

A

True

222
Q

Signs of cutaneous Fowl pox are usually seen on the head (comb, eyelids) of chicken

A

True

223
Q

Pathological lesions of mucosal fowl pox can be similar to Infectious Laryngotracheitis

A

True

224
Q

Only inactivated vaccines can be used for prevention against fowl pox

A

False

225
Q

Fowlpox is eradicated from most of the European countries

A

False

226
Q

Fowlpox virus causes only transient skin lesions in chicken

A

True

227
Q

The diphtheric (wet) form of Fowlpox causes lesions on the mucous membranes

A

True

228
Q

Attenuated vaccines are forbidden to be used against Fowlpox

A

False

229
Q

Avian pox viruses are species specific

A

False

230
Q

The cutaneous form of Fowl pox is benign

A

True

Epidemiology (8 decks)

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