Minireviews
Copyright ©The Author(s) 2015.
World J Virology. May 12, 2015; 4(2): 113-123
Published online May 12, 2015. doi: 10.5501/wjv.v4.i2.113
Table 1 Main arboviruses exhibiting a potential or demonstrated transfusion-associated risk
Dengue virusWest Nile virusSaint-Louis encephalitis virusTick-borne encephalitis virusChikungunya virusColorado tick fever virus
FamilyFlaviviridaeFlaviviridaeFlaviviridaeFlaviviridaeTogaviridaeReoviridae
Virus characteristics
Nucleic acid EnvelopessRNA YesssRNA YesssRNA YesssRNA YesssRNA YesdsRNA No
VectorsMosquitoes (Aedes aegypti and Aedes albopictus)Mosquitoes (genus Culex but also Aedes albopictus)Mosquitoes (genus Culex)Ticks (genus Ixodes)Mosquitoes (Aedes aegypti, Aedes albopictus)Ticks (Dermacentor andersoni)
Usual vertebrate hostsHumansBirdsBirdsRodentsHumans, primatesHumans
Geographical distributionWorld (mainly intertropical regions)Asia, Africa, Europe, AmericasAmericasEurope, AsiaAfrica, Asia, West Pacific, Europe,Western USA and Canada
Clinical features
Incubation period in days2-142-144-217-141-123-6
Asymptomatic forms75%80%> 99%80%15%low%
Clinical manifestationsDF-DHF-DSSFever- encephalitisFever-encephalitisFever- encephalitisFever- joint painsFever-encephalitis
VaccinePhase III trialsNoNoYesNoNo
Demonstrated transfusion-transmitted casesYesYes (high number)NoYesNoYes