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Microbiology

Viruses

QuestionAnswer
What size are viruses compared to other living organisms? Smallest Living Organisms
Viruses are described as what kind of parasite? Obligate intracellular parasite (must reproduce within living cell)
What is the structure of a virus? DNA or RNA - core with a protein coat
How are viruses grown? Grown in actively growing tissue 1) living susceptible animal 2) embryonic egg 3) tissue culture
How are viral diseases often diagnosed? Blood test - Immunologic testing for antibodies in blood against the virus
Define Latency Inactive - can recure
Define Oncogenicity Cancer Cell
Define Teratogenicity Physical defects in the embryo or fetus
HSV Type I Herpes Simplex Virus Type I Fever Blisters - Cold Sores
HSV Type II Herpes Simplex Virus Type II Genital Herpes - Vesicle clusters on genitalia
VZV Varicella Zoster Virus Chicken pox - Shingles
CMV Cytomegalovirus Asymptomatic (fetus, newborn, immunodeficient)
EBV Epstein-Barr Virus Mononucleosis & Burkitts lymphoma
HBV Hepatitis B Virus Blood & Blood products, semen, vaginal secretions, breast milk
HPV Human Papilloma Virus Warts, Genital warts - linked to cervical cancer
Morbillivirus Red measles or Rubeola "R" in MMR
Rubella German Measles "M" in MMR
HIV Human Immunodeficiency Syndrome AIDS - Decreased levels of helper T lymphocytes Blood and Blood products, Semen, Vaginal Secretions, Breast Milk.
HAV Hepatitis A Virus Inflammation of the liver Diarrhea, Oral/Fecal contaminated food, shell fish (feces in water)
Rhinovirus Common Cold
Which viruses are transmitted by the oral/fecal route? Polio, HAV
Which viruses are sexually transmitted? HSV type II, HBV, HPV, HIV, HCV
Which viruses does the MMR vaccinate against? Red Measles, Mumps & Rubella
Created by: wenchie040
 

 



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