VIRAL INFECTION53_1slide.pdf

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pathogenesisPoliovirus infects oropharynx secreted in saliva andswallowMultiplies in intestinal mucosa and lymph nodesHematogenous spreadingInvade to CNS and repilcate in spinal cord (spinal(poliomyelitis), or brain stem (bulbar poliomyelitis)* Virus destroys motor neuron in anterior horn ofspinal cord or brain stem*
Poliomyelitis• Clinical features- flaccid paralysis- muscle atrophy- hyporeflexia
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Content• Viral disease of- Respir
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Mechanism of viral infection• Att
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Classification of viral disease•
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Classification of viral disease•
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Rhinovirus• Major cause of common
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Influenza virus• Classify due to
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Influenza virus• Histology- desqu
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Influenza virus• Avian influenza
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histopathology• Upper respiratory
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Adenovirus• Classify 42 serotypes
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Digestive system
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Mumps
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• Extrasalivary gland complicatio
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Parotitis
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Rotavirus• Reovirus family• Mos
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Corona virus• Caused by respirato
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Hepatitis A virus (HAV)• Transmit
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Hepatitis B virus (HBV)• Cause of
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Hepatitis C virus (HCV)• Transmit
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Hepatitis D virus (HDV)• Transmit
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Hepatitis E virus (HEV)• Transmit
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Systemic with skin eruption
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Measles virus• Virus multiplies i
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Measles virus• Complication:- pne
Page 52 and 53: Measles
Page 54 and 55: Warthin-Finkeldeycells
Page 56 and 57: Congenital rubella syndrome• Feta
Page 58 and 59: Herpes simplex virus• Transmitted
Page 60 and 61: HSV
Page 62 and 63: pathogenesisInitial infection in sk
Page 64 and 65: Neonatal herpes infection• Infect
Page 66 and 67: Varicella zoster virus (VZV)• Pri
Page 68 and 69: Varicella zoster virus (VZV)• Gro
Page 70 and 71: shingles
Page 73 and 74: Systemic with hematopoieticdisorder
Page 75 and 76: Cytomegalovirus (CMV)• Transmitte
Page 77 and 78: histology• Large purple intranucl
Page 79 and 80: Epstein-Barr Virus (EBV)• Cause o
Page 81: pathogenesisEBV replicates in B-lym
Page 84 and 85: Arbovirus and hemorrhagicfever
Page 86 and 87: Dengue virus• Infection with one
Page 88 and 89: Human papilloma virus (HPV)• most
Page 90 and 91: Human papilloma virus (HPV)• Anog
Page 92 and 93: Skin warts
Page 94 and 95: Koilocytosis of infected cells
Page 96 and 97: pathogenesistransmitted primarily t
Page 98 and 99: intracytoplasmic inclusion bodies(m
Page 100 and 101: Central nervous system
Page 104 and 105: Rabies virus• Cause of rabies (en
Page 106 and 107: pathogenesisRabies virus multiplies
Page 108 and 109: Arbo viral encephalitis virus• Ja
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