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Test developed at UQ diagnosed Australia's first swine flu victim
September 04, 2009When the first cases of H1N1 Influenza (swine flu) were reported in Mexico in April, UQ researchers got to work developing a test to diagnose the virus.
In less than two weeks, Dr David Whiley and a team of five scientists were able to provide Pathology Queensland with two detection methods, one of which was used to diagnose Australia's first swine flu case.
The tests have since been implemented by the Townsville Hospital and Royal Darwin Hospital, and were also used to detect the first case of swine flu in the Northern Territory.
''We have a highly skilled team of scientists, with extensive experience and knowledge in molecular diagnostics," Dr Whiley said.
"When news of swine flu broke we realised we had very little time - possibly days - before the first cases arrived in Australia.
"We therefore temporarily suspended all other research projects so that our team could focus on developing the swine flu assays.
"Ours were certainly the first assays implemented for routine swine flu screening in Australia."
The assays, which are used to test respiratory specimens such as nose swabs, target two key parts of the virus: the haemagglutinin and neuraminidase genes.
They detect the virus by using the polymerase chain reaction (PCR) technique to amplify these parts of the virus's genetic material.
"Once the genetic material begins amplifying, positive fluorescent signal is produced via the use of a fluorescent probe," Dr Whiley said.
"This is all monitored using computer software."
This is not the first time the team has been tasked with developing a diagnostic test at short notice.
Since 2000, the laboratory has had an ongoing partnership with Pathology Queensland in an assay development program.
"Our laboratory develops new rapid molecular assays for detecting microbial pathogens, and once validated the assays are then transferred to the Molecular Diagnostic Unit of Pathology Queensland for routine use," Dr Whiley said.
"To date, our laboratory has developed and transferred to Pathology Queensland more than 70 rapid diagnostic tests targeting a range of infectious diseases.
"Therefore it was up to us to make sure Pathology Queensland was equipped with the right methods to detect swine flu."
Research Australia
''We have a highly skilled team of scientists, with extensive experience and knowledge in molecular diagnostics," Dr Whiley said.
"When news of swine flu broke we realised we had very little time - possibly days - before the first cases arrived in Australia.
"We therefore temporarily suspended all other research projects so that our team could focus on developing the swine flu assays.
"Ours were certainly the first assays implemented for routine swine flu screening in Australia."
The assays, which are used to test respiratory specimens such as nose swabs, target two key parts of the virus: the haemagglutinin and neuraminidase genes.
They detect the virus by using the polymerase chain reaction (PCR) technique to amplify these parts of the virus's genetic material.
"Once the genetic material begins amplifying, positive fluorescent signal is produced via the use of a fluorescent probe," Dr Whiley said.
"This is all monitored using computer software."
This is not the first time the team has been tasked with developing a diagnostic test at short notice.
Since 2000, the laboratory has had an ongoing partnership with Pathology Queensland in an assay development program.
"Our laboratory develops new rapid molecular assays for detecting microbial pathogens, and once validated the assays are then transferred to the Molecular Diagnostic Unit of Pathology Queensland for routine use," Dr Whiley said.
"To date, our laboratory has developed and transferred to Pathology Queensland more than 70 rapid diagnostic tests targeting a range of infectious diseases.
"Therefore it was up to us to make sure Pathology Queensland was equipped with the right methods to detect swine flu."
Research Australia
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Major swine flu outbreak at US Air Force Academy, unique opportunity to study virus behavior
With the 2009 influenza season upon us, characterization of the epidemiology and duration of shedding for the nH1N1 virus is critical. Investigators from the U.S. Air Force Academy and the U.S. Air Force School of Aerospace Medicine Epidemiology Consult Service capitalized on a unique opportunity to gain valuable insights about the natural behavior of the nH1N1 virus, including shedding patterns, during a recent large-scale swine flu outbreak at the U.S. Air Force Academy (USAFA).
Flu surveillance boosts control, treatment options, says UAB travel-clinic chief
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