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Barmah Forest virus
Epidemiology:
- found only in Australia
- discovered in 1974 in mosquitoes in the Barmah Forest in northern Victoria [2]
- hosts include marsupials, possums, kangaroos & wallabies
- no direct person to person transmission
Clinical manifestations:
- inclubation period 7-10 days, may be up to 21 days
- fever & malaise generally resolve within 1 week
- rash, usually on the trunk or limbs
- lymphadenopathy [2]
- myalgia
- arthralgia may persist for > 6 months [2]
Laboratory:
- Barmah forest virus Ab in serum
- Barmah forest virus RNA
Complications:
- no deaths reported
Management:
- supportive therapy
- no specific antiviral treatment
General
alphavirus
Properties
KINGDOM: virus
GENOME-TYPE: RNA
SINGLE-STRANDED
POSITIVE-STRAND
GENOME-SIZE: 12 kB
ENVELOPE: PRESENT
CAPSID-SYMMETRY: ICOSAHEDRAL
References
- Wikipedia: Barmah Forest virus
http://en.wikipedia.org/wiki/Barmah_Forest_virus
- SA Health
Barmah Forest virus infection - symptoms, treatment and
prevention.
http://www.sahealth.sa.gov.au/wps/wcm/connect/public+content/sa+health+internet/health+topics/health+conditions+prevention+and+treatment/infectious+diseases/barmah+forest+virus+infection/barmah+forest+virus+infection+-+symptoms+treatment+and+prevention