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25 Cards in this Set
- Front
- Back
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Classificatuon of animal viruses |
single stranded DNAB double stranded dna A single stranded DNAB double stranded dnaC single stranded RNAD double stranded Rna C single stranded RNAD double stranded Rna |
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Parvovirus very small virus |
Gastroenteritis , fetal death
Co-infection with adenovirus
Cat/dogs (rabid dehydration, vaccine)
Causes 5th disease (slapped cheek facial rash) |
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Papoviruses |
Papilloma, polyoma, HPV Common warts, Platar and genital warts |
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Papoviruses Treatment |
Cryosurgery Laser chemicals Vaccines Gardasil and Cervarix |
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Papoviruses danger |
Transmission: direct contact and fomites Oncogenic viruses Cervical cancer (other related cancers) |
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Double stranded viruses |
Papoviruses Adenoviruses Herpes viruses Herpes simplex Varicella-Zoster Cytomegalovirus Epstein Barr virus Pox viruses |
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Adeno viruses |
Reapiratory infection Various types Affects - children, infants, some adults Causes conjuntivitus, gasteroenteritus Oncogenic virus |
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Herpes viruses simplex |
HSV-1 Fever blisters and cold sores HSV-2 |
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Herpes viruses simplex Transmission and Treatment |
•Transmission: oral or respiratory •Treatment: Acyclovir and OTC •Latent virus •Trigemunal nerve ganglia |
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HSV-2 Transmission |
Genital herpes Transmission sexual contact Vessicle contain infectious fluids Don't need lesions to transfer semen may contain virus |
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HPV-2 Treatment |
Acyclovir, Valacyclovir, Valtrex
Latnet virus |
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Herpes viruses
Varicella Zoster- VZV |
Chicken pox Varicello virus (more young) Viruses move up peripheral nerve
Shingles : Zoster virus (more older) Follows nerve ganglia Moves down perepheral nerve
Latent virus Vaccine available for both |
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Herpes viruses: |
A. simplex 1,2 (HSV-1 HSV-2) B. Varicella-Zoster (VZV) C. Cytomegalovirus D. Epstein barr virus |
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Cytomegaloviruses CMV |
Naturally aquired: respiratory tract
80% of US pop carries this Can cross fetal-placenta membrane 8000 infants born per year CMV (Severe mental retardation and hearing loss) |
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Epstein barr virus EBV |
Virus infecting the lymphoid and glandular tissue
Causes infectious mononucleosis Possible chronic fatigue syndrome and certain cancers (Nasopharyngeal and Burkitt's Lymphoma) |
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Poxviruses small pox |
Middle ages ~80% of Europe Fluid filled vesicles Transmission RT first vaccine in us ended in 1970's Today concerned with bioterrorism |
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Single stranded rna viruses |
A |
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Picorna viruses Rhinoviruses |
Over 113 sterotypes 50% of all colds
Symptoms sneezing nasal secreation congestion (not muscle ache and fever, except in children)
Transmission RT And hand to hand
Treat the symptoms
Complications, sinus infections, laryngitis, otitis media |
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Picornaviruses Enteroviruses Polliovirus |
Transmission: fecal oral Can invade CNS (Paralysis) Vaccines 1954: Dr. Salk-killed virus (injection) 1963: sabin-attenuated (oral) |
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Enteroviruses |
A |
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Poliovirus |
Poliomyellitis Transmission: fecal-oral Can invade the CNS to cause paralysis |
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Polio 1954 Dr. Salk Killed virus |
Injected pro 100% safe Con Not as antigenic
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Polio 1963 Sabin Attenuated vaccine |
Weakened Oral Pro very antigenic Con not 100% safe |
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Coxsackie virus |
Hand-foot and mouth disease
Myocarditis in infants, diarrhea
Aseptic meningitis: viral meningitis Gram stain no bacteria seen virus too small |
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CSF |
1 gram stain negative 2 culture 24 hours no growth 3 direct bacterial ag test 10 negative |
