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WorksheetsMicroS03LQ3 - Flaviviridae (Jap. Enceph. Virus)
Total questions: 9
Worksheet time: 6mins
Japanese Encephalitis (JE) serocomplex contains _____ viruses, 6 of which are human pathogens
(JE, West Nile, Kunjin, Usutu, St. Louis Encep., Murray Valley Encep.)
8
10
9
7
Leading cause of viral encephalitis in Asia and first discovered and originally restricted to Japan
(a)
People living in rural areas have the highest risk of disease because the mosquitoes that spread JE breed in rice paddies and pools of water.
It is also commonly occurs in communities with piggeries.
True
False
Transmission
JE is spread by ______ mosquitoes.
Anopheles
Culex
Aedes
Transmission
• Epidemic pattern: ______ (e.g., Southern China)
• Endemic pattern: ______ (e.g., Bali, Indonesia)
Seasonal ; Year-round
Year-round ; Seasonal
Clinical Spectrum
Most human infections are subclinical where the ratio of inapparent to clinical cases is 300:1
True
False
Clinical Spectrum
Infections occur during the what stage/s of pregnancy
that reportedly led to fetal death?
First trimester
Second trimester
Third trimester
Clinical Spectrum
Disease is usually diagnosed by ________
Serology
Culture
Direct detection
Spinal tap
Treatment
Is there a treatment for flavivirus? Y/N
(a)
