Emerging and Re-emerging Infectious Diseases Flashcards
Which does not have an increasing trend? A. typhoid B. poliomyelitis C. cholera D. AIDS
B
How did humans get infected with Lassa fever?
through animals who got displaced due to food search, right after deforestation or climate change
cause of Hantavirus pulmonary syndrome + identify if emerging/re-emerging
Sin Nombre Hantavirus
Emerging
usual reservoir host of Hantavirus
rodent
epidemic kidney disease c/o Puumala strain of Hantavirus
Nephropathia epidemica
Which is not a zoonosis? A.Hantavirus pulmonary syndrome B.Ebola virus C.Borrelia burgdorferi D.Rubella virus
D
origin of SARS Coronavirus
Hong Kong
possible deliberate release of infectious agents by dissident individuals or terrorist groups
Bioterrorism
mechanism for combating int’l disease outbreaks, c/o WHO. ensure rapid deployment of technical assistance, contribute to long-term epidemic preparedness and capacity building
Global Outbreak Alert and Response Network
Family of Ebola virus
Filoviridae
True or False: Ebola virus has a chronic carrier state.
False. All its infections are acute.
Ebola virus was first discovered in the __
Democratic Republic of Congo
Which Ebola virus subspecies came from monkeys in the Philippines?
Reston virus
likely reservoir host of Ebola
bats
Which is not a mode of transmission for Ebola?
A.direct contact with blood of infected individual
B.close contact
C.nosocomial transmission
D.orofecal
D
Which is false?
A. Clinical diagnosis is difficult in newly infected persons due to non-specificity of organisms.
B. There is a drug against Ebola virus that is being sold in the market.
C. Most, if not all, Ebola cases are in Africa.
B
drug still on trial
Enumerate three barrier nurse techniques for Ebola prevention
PPE wearing
infection control measure use
isolation of Ebola HF patients from contact with unprotected persons
Which is the least accurate method of diagnosis for Ebola? A. PCR B. Virus isolation C. ClInical D. IgM ELISA
C
What does MERS-CoV stand for?
Middle East Respiratory Syndrome coronavirus
genus of MERS-CoV
Betacoronavirus
former name of MERS-CoV
Novel coronavirus
MERS-CoV has strong tropism for what cells?
nonciliated bronchial epithelial cells
enumerate natural animal reservoir host of MERS-CoV
Egyptian tomb bat
Camels
MERS-CoV main mode of transmission
inhalational
genome of Ebola virus
negative single stranded RNA
How many structural proteins does Ebola virus have?
7
Enumerate immune system mediators of Ebola virus
antibody
FcR
C1q
lectin
causative agent of Hemorrhagic Fever with Renal Syndrome
Hantaan virus
Hantaan and Sin Nombre virus are types of __
Hantavirus
Which has higher mortality, Hantaan virus or Sin Nombre virus?
Sin Nombre
family of Hantavirus
Bunyaviridae
Which is not a property of Hantavirus? A.arthropod-borne B.enveloped virus C.helical ssRNA that is segmented D.viral envelope derived from plasma membrane
A
rodent-borne dapat
these molecules in Hantavirus may cause pulmonaary edema in the lungs
Beta 3 integrins
enumerate the genes encoded by Hantavirus
nucleocapsid
glycoproteins G1 and G2
RNA Dep RNA polymerase
Coiled Domain of Sin Nombre Virus
most common mode of transmission for Hantavirus
inhalation of aerosolized urine, feces and saliva
false about Hantavirus
A.zoonotic
B.stable even when exposed to UV light
C.more common in the rainy days
B
labile at UV light
Lyme disease vector
Black legged ticks
Prion diseases cause ___
spongiform encelopathy
Ebola and Marburg viruses belong to __ family
Filovirus
Lassa virus belongs to __ family
Arenavirus