NSW Arbovirus Surveillance & Vector Monitoring Program

2001 - 2002 Annual Report

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ARBOVIRUS ISOLATIONS

Methods. Only mosquitoes collected from the inland, from some Sydney sites and from Batemans Bay (for one week only), were processed for viruses. Virus isolation methods were as per earlier annual reports (Doggett et al., 1999a, 2000). Assays were used to identify any suspected viral isolate, and can identify the alphaviruses - Barmah Forest (BF), Ross River (RR) and Sindbis (SIN), and the flaviviruses - MVE, Kunjin (KUN), Alfuy (ALF), Edge Hill (EH), Kokobera (KOK) and Stratford (STR). Any isolate that was not identified by the assays was labelled as 'unknown'.  

Positive results were sent to Dr Jeremy McAnulty of the AIDS and Infectious Disease Branch, NSW Health, and to the relevant Public Health Unit, and posted on the NSW Arbovirus Surveillance Web Site (under ‘Mosquito/Chicken Results’) and under each location.

Results. Of the mosquitoes processed, there were 29 viral isolates. These are listed in Table 1.

Table 1. Arbovirus Isolates, 2001-2002.

KOK = Kokobera, KUN = Kunjin, RR = Ross River, SIN = Sindbis, ? = unknown, quinq. = quinquefasciatus.
*Homebush is not part of the surveillance program, but is included for it provides valuable information on virus activity in Sydney.

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