Midterm 2 part 1 chapter IV Flashcards
Germinative infection is a common way of infection with duck hepatitis A virus
false
Clinical signs of duck hepatitis can be seen in all age groups
false
Spasmodical paddling is a frequent clinical sign of duck hepatitis
true
Orbiviruses spread by droplet (aerogen) infection
false
Bluetongue disease occurs only in Africa
false
Bluetongue is named after the cyanosis of the tongue
true
Bluetongue is named after the pseudo-melanosis of the tongue
false
Bluetongue infects also horse and dog
false
Bluetongue is a fetopathic
true
Ibaraki disease virus immunizes against bluetongue
false
Horse encephalosis appeared several times in Europe between 2006 and 2009
false
African horse sickness is spread by ticks
false
African horse sickness is zoonotic
false
African horse sickness is prevented in Africa by combined vaccines
true
Horse encephalosis is endemic in Africa
true
The subacute form of African horse sickness is causing edema formation and heart failure
true
Rotaviruses cause mainly respiratory signs in cattle
false
Orthoreoviruses can cause pneumoenteritis in cattle
true
Avian orthoreo –and rotaviruses can cause runting stunting syndrom in chickens
true
American horse encephalomyelitis viruses represent several types and subtypes
true
Vectors of American horse encephalomyelitis Togaviruses are mosquitoes
true
Main means of control of American horse encephalomyelitis are mosquito control and vaccines
true
Vaccines cannot be used to prevent Togaviruses caused encephalomyelitis of horse
false
Tick-borne encephalomyelitis most frequently is seen clinically in ruminants
false
Occasionally tick-borne encephalomyelitis virus can be transmitted to humans via consuming raw milk
true
Tick-borne encephalomyelitis occurs seasonally
true
For humans inactivated tick-borne encephalomyelitis virus vaccines are also available
true
West Nile fever occurs worldwide
true
Vectors of West Nile fever virus are different mosquito species
true
The host range of West Nile virus is very wide
true
Humans are not susceptible to West Nile disease virus
false
BVD virus exists in several serotypes
false
BVD infection of pregnant cows can result in delivery of immunotolerant persistently
infected calves
true
Bulls can shed BVD virus for long time in semen, without showing any clinical signs
true
Both attenuated live and inactivated vaccines are used in eradication of BVD
true
Acute classical swine fever can cause hemorrhagic pneumonia
true
Classical swine fever virus doesn’t induce neutralizing antibody production
false
Classical swine fever virus is inactivated in chilled meat at -20*C
false
Classical swine fever virus can cause immunotolerance in swine
true
Classical swine fever virus is immunosuppressive
true
Only DIVA vaccines should be used to prevent classical swine fever in swine stocks
false
Classical swine fever virus causes lympho-histiocytic encephalitis in pigs
true
Classical swine fever virus causes lympho-histiocytic encephalitis in carnivores
false
Rift-valley fever caused human epidemics in Africa
true
Ticks are reservoirs and vectors of the Schmallenberg virus
false
Schmallenberg virus was transported to Europe from South-America
false
Nairobi sheep disease can cause hemorrhagic enteritis among sheep
true
African swine fever leads to abortion regardless of the virulence of the infecting virus
true
Wild boars may carry African Swine Fever virus as chronically infected animals
true
The main tool against African Swine Fever is vaccination
false
Virulent strains of African Swine Fever virus cause an acute disease in domestic pigs
true
African Swine Fever virus infects every cloven-hoofed animal
false
Acute African Swine Fever is characterized by hemorrhages
true
African Swine Fever does not occur in Europe
false
Vaccination is used for prevention of African Swine Fever
false
African Swine Fever cause skin lesions in swine
true
African Swine Fever is caused by arbovirus
true
Vaccines may be used for the control of African Swine Fever
false
African Swine Fever is endemic in Central Europe
false
African Swine Fever virus infects pigs and ruminants
false
African Swine Fever virus can replicate in certain ticks
true
African Swine Fever is caused by any arbovirus
false
African Swine Fever is a notifiable disease
true
Virus neutralization is the most important tool for African Swine Fever diagnosis
false
Pregnant sows abort in case of African Swine Fever disease cases
true
The chronic form of African Swine Fever is similar to other immune complex disorders
true
African Swine Fever infection of humans leads to cold like symptoms
false
African Swine Fever virus may cause chronic infections in pigs
true
African Swine Fever may cause a chronic disease in wild boars
true
African swine fever virus infects pigs and ruminants
false
African swine fever virus can replicate in certain soft ticks
true