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Chapter 23 Lecture 3 (Mumps (Caused by the mumps virus (Humans are the…

- - - - Hepatitis A virus (HAV) – live on countertops and cutting boards for days, resistant to bleach. Transmitted in fecally contaminated food or water 99% pts full recovery
      - Hepatitis B virus (HBV)- serum hep, billions of virions ibn bld/mL, shed into saliva, semen, vaginal secretions,, needles, razors, toothbrushes open sores. Moms can infect baby during childbirth- causes liver Ca, in fact, 200 times more likely to develop
      - Hepatitis C virus (HCV)- will get liver cancer too
      - Hepatitis delta virus (HDV)- can spread only to cells infected with hepatitis B this results in a severe acute liver damage
      - Hepatitis E virus (HEV) is also found in monkey, apes, swine and rodents but infection in humans only appears to come from other humans
  - - - Transmitted sexually and through contaminated needles
    - - More common in hot climates, cases usually involve immigrant s or travelers infected in an endemic region, such as Mexico, northern Africa, or developing nations in Asia
  - - - Each administered over a 6 month period
      - Immunity for HBV last 15 years and my for life
      - Also gives you immunity for HDV
      - Recommended for everyone
- - - - Herpetic gingivostomatitis- lesions extend in the mouth
      - Herpetic pharyngitis- young adults with sore throats resulting from other viral infections and this is the pharynx becoming inflamed and infected
      - Herpes esophagitis-painful and difficult swallowing, fever and sometimes chills
  - - - Latent viruses could reactivate later in life when the immune system is suppressed by emotional stress., fever, trauma, sunlight, menstruation, or disease.