viruses

• reoviridae family


  RNA double stranded, rotavirus, causes gastroenteritis
• caliciviridae family

  RNA, Hep-E, norovirus, sapovirus, causes viral gastroenteritis
• astroviridae family

  RNA, astrovirus, causes viral gastroenteritis
• adenoviridae family

  DNA, adenovirus, causes viral gastroenteritis
• nucleic acid for hepatitis A

  RNA
• nucleic acid for hepatitis E

  RNA
• nucleic acid for hepatitis B

  DNA
• nucleic acid for hepatitis C

  RNA
• how are hepatitis A and E acquired?

  faecal oral route, contaminate food and water, zoonotic
• how are hepatitis B and C acquired?

  blood borne
• what hepatitis viruses have vaccines?

  A + B, E in china
• delta hepatitis

  small enveloped RNA virus, cannot have unless you have Hep-B as it needs HBV to replicate
• what antiviral would you take for Hep-E?

  Ribavirin
• measles is a RNA virus, humans are the only natural host
• measles are transmitted by direct contact with infectious droplets
• clinical features of measles

  initial viraemia with elevated temperature, miserable child, sore eyes, koplik spots
• koplik spots

  
• herpes simplex virus 1

  orofacial lesions, alpha, sensory nerve ganglia
• herpes simplex virus 2

  genital lesions, alpha, sensory nerve ganglia
• varicella zoster virus

  chicken pox (recurs as shingles), alpha, sensory nerve ganglia
• cytomegalovirus

  mono, beta, lymphocytes
• human herpes virus 6

  roseola infantum, beta, CD4 t-cells
• human herpes virus 7

  roseola infantum, beta, CD4 t-cells
• epstein-barr virus

  infectious mono, gamma, b lymphocytes
• human herpes virus 8

  kaposi's sarcoma, gamma, tissues
• Treatment for mucocutaneous infection (herpes 1)?

  OTC topical creams containing acyclovir
• treatment for herpes simplex encephalitis?

  aciclovir
• shingles

  
• epstein-barr virus

  
• HIV

  human immunodeficiency virus
• HIV is a single stranded RNA virus belonging to the retrovirus family
• HIV is transmitted sexually, vertically, organ donation, blood transfusion, contaminated needles
• prion disease

  fatal neurodegenerative disorders that come from infectious proteinaceous particles known as prions