could infect about half a million Australians this winter, warn
scientists who identified the new strain.
The norovirus variant known as Sydney 2012 was identified last Marchby
the University of NSW and the Prince of Wales Hospital.
The virus has become the dominant strain in Britain, infecting about
1.2 million people and resulting in dozens of hospital ward closures,
the nation's Health Protection Agency said last week.
It is also suspected to be behind the recent gastroenteritis outbreaks
aboard several cruise ships.
The virus was only responsible for about a quarter of the
gastroenteritis infections in NSW last year, but was to blame for
about 75 per cent of infections in Adelaide, said Professor Peter
White from the UNSW science faculty.
Professor White, who ledthe team that identified Sydney 2012,
estimated the virus could infect more than 400,000 Australians this
winter tobecome the dominant strain.
Professor White said the virus would likely hit child and aged-care
facilities and hospitals hardest and could result in ward closures.
The virus causes vomiting and diarrhoea for one to three days butcan
be fatal for vulnerable groups, including the elderly.
Professor White said infected people should wait 48 hours after
symptoms subside before returning to work, school or childcare to
prevent the spread of the disease.
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