ANA300Y1 Lecture Notes - Lecture 39: Viral Disease, Acute Respiratory Distress Syndrome, Bovine Spongiform Encephalopathy

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9 Dec 2016

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Kuru, both sporadic and new-variant" causes of cjd, and inhereited. Prions unconventional viruses : kuru, creutzfeldt-jacob disease (cjd, scrapie (sheep, bovine spongiform encephalopathy (bse) mad cow disease , chronic wasting disease (cwd) elk, mule-deer, viruses and other intracellular parasites. Coxsackie b virus post-viral (chronic) fatigue syndrome(?) Hepatitis a infectious hepatitis : rhinoviruses. Common cold : caliciviruses, norwalk agent viral gastroenteritis, hepatitis e, feline calicivirus upper respiratory disease in cats, togaviruses, alphaviruses (arboviruses arthropod-borne) Influenzas a, b, and c influenza: equine influenza, arenaviruses. Lassa fever virus: lymphocytic choriomeningitis virus, bunyaviruses. Rift valley fever: hantavirus hemorrhagic fever and renal syndrome, reoviruses, rotavirus viral gastoenteritis, retroviruses. Human t-cell leukemia virus i (htlv-i) cell leukemia. Human t-cell leukemia virus ii (htlv-ii) - hairy cell leukemia (?) Hepatitis b serum hepatitis (hbv: papovaviruses, polyomaviruses. Infectious bovine rhinotracheitis (ibr: equine rhinopneumonitis, pox viruses, variola major smallpox, vaccinia cowpox , molluscum contagiosum, monkeypox. Infectious myxomatosis of rabbits: mycoplasmas, m. mycoides pleuropneumonia of cattle.

Related Questions

30. Microbe-Human Interactions.

a. Define pathogen, disease, normal flora. Under what conditions might a normal flora organism cause disease.

b. What parts of the body should stay absolutely sterile under normal circumstances.

c. How are Kochâs postulates used.

d. Define communicable, non-communicable, acute, chronic, endemic, epidemic, pandemic,

symptomatic, asymptomatic, and subclinical.

e. For a disease to be spread, there must be a reservoir, mode of transmission, and portal of entry.

f. For humans, what is the most significant reservoir.

g. Define : direct contact, droplet transmission, indirect contact, vehicle transmission, arthropod vectors

h. For a microorganism to cause disease, it typically must attach to host tissue, overcome the host defense, and cause tissue damage.What structures are used for attachment.What are some ways in which microorganisms overcome the host immune system.What distinguishes exotoxins from endotoxin.

31. Immune Defenses.

a. What are the major elements of the first, second, and third lines of defense.

b. What are the steps of phagocytosis and inflammation? What are the 3 complement pathways?

c. Which lines of defense are considered specific? Which are considered non-specific?

d. There are two major types of specific immunity, humoral and cell-mediated.

e. Humoral immunity involves B cells and antibodies. What are the major classes and activities of antibodies.

f. Cell mediated immunity involves T cells. What are 2 major types of T cells? What are their activities.

32. Staphylococcus aureus.

a. Gram positive cocci in grape-like clusters.

b. Skin infections (scalded skin syndrome, impetigo) (many other types of infection are also possible).

33. Streptococcus pyogenes.

a. Gram positive cocci in chains.

a. Strep throat, skin/wound infections (impetigo, necrotizing fasciitis âflesh eating diseaseâ), scarlet fever (other types of infection are also possible)

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ANA300Y1 Lecture Notes - Lecture 39: Viral Disease, Acute Respiratory Distress Syndrome, Bovine Spongiform Encephalopathy

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