Arboviruses

Presentation

Appropriate Tests

Arbovirus is a term used to refer to a group of viruses that are transmitted by arthropod vectors. The word arbovirus is an acronym (ARthropod-BOrne virus). 

It covers infections spread by mosquitoes, ticks and fleas.  Over 500 species are recognised but only around 130 cause disease in man,  The diseases may be an encephalitis (eg, JEV, MVE, WNV, Nipah virus), a systemic infection (eg, Dengue virus), haemorrhagic fever (eg, Dengue, CCV), hepatitis associated virus (eg, yellow fever virus) or an acute polyarthropathy (eg, RRV, BF, Chikungunya virus, Zika virus).

Arboviral serology (Arbovirus Ab).

Depending on presentation consider Dengue serology, Ross River virus, Barmah Forest serology and Flavivirus serology, CSF PCR in encephalitis. 

Serum PCR testing for specific Arboviruses including Zika virus, Chikungunya virus, West Nile virus, yellow fever virus, Kunjin virus, Murray Valley encephalitis virus, Japanese encephalitis virus, Nipah virus.

See also Infections in returned travellers, Fever and neurological symptoms.