emerging viruses

Question 1

factors contributing to emergence of new viral diseases

Answer 1

population density, travel, changes in social behavior, environment, industry, changes in microorganisms

Question 1

emergence of hantavirus due to

Answer 1

increased contact with mice due to rainfall, foodsource, increased mouse population

Question 1

symptoms, monkeypox

Answer 1

headache, rash, swollen lymph nodes, backache, fatigue > 3 days > crusting, scabbing of > 3 weeks

Question 2

wild nile and dengue are members of ____ family

Answer 2

flavivirus

Question 3

transmission dengue (hemmoragic) fever

Answer 3

mosquito to human (urban) or monkey

Question 4

emergence monkeypox due to

Answer 4

pet choice changes, movement of virus and reservoir into new areas of commerce

Question 6

second infection, with new dengue virus serotype > Hemmoragic fever and dengue shock syndrome =

Answer 6

non neutralizing antibodies causes macrophage infection > cytokine release. Rupture of vasculature, internal bleeding, palsma loss, shock

Question 7

diagnosis dengue hemmorhagic fever

Answer 7

postive tourniquet test, immunofluorescence for viral antigen

Question 8

disease caused by hentavirus

Answer 8

Hentavirus-induced (cardio-)Pulmonary syndrome, leading to pulmonary edema, death

Question 8

emmergence of West nile and Dengue due to

Answer 8

increased range of vector (dengue) introduction of virus resevoir into new area (westnile)

Question 9

diagnosis of west nile virus

Answer 9

local WNV activity in area, adults 50 age or older with unexplained encephalatis or meningitis in late summer/fall

Question 11

arboviral encephalatis transmission

Answer 11

reservoir in birds, arthropod spread between birds, horse or human dead end host

Question 12

Arbovirus 3- types diseases

Answer 12

fever+macupapular rash, OR encephalatis, OR hemmoragic fever

Question 13

clinical features west nile fever (severe)

Answer 13

fever, ataxia, myelitis, change in mental status, GI, seizures

Question 15

incubation time, monkeypox

Answer 15

12 days

Question 16

clinical features west nile fever (mild)

Answer 16

fever, fatigue, swollen lymph glands, headache, skin rash on trunk eye pain

Question 17

falvirus morphology

Answer 17

enveloped, single strand RNA

Question 18

initial infection with dengue/hemmorhagic fever serotype virus causes

Answer 18

breakbone fever, joint pain, muscle/bone pain, fever, lympahdenopathy