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Monday, 20th May 2013

Monday, May 20, 2013 - 08:57

BIG names in medicine are set to give an upbeat assessment of the war on AIDS on Tuesday, 30 years after French researchers identified the virus that causes the disease.

Scientists will pay tribute to the astonishing success of AIDS drugs and highlight steps being taken towards a cure - a goal once deemed all but out of reach.

Entitled "Imagine the Future," the three-day conference builds on the 30th anniversary on Monday of the isolation of the human immunodeficiency virus (HIV).

The Nobel-winning achievement, by a team led by Luc Montagnier of France's Pasteur Institute, unmasked a killer.

Then began the drive to treat the disease and halt its spread.

"The discovery of HIV in 1983 and the proof that it was the cause of AIDS in 1984 were the first major scientific breakthroughs that provided a specific target for blood-screening tests and opened the doorway to the development of antiretroviral medications," said Anthony Fauci, director of the US National Institute of Allergy and Infectious Diseases (NIAID).

Introduced in 1996, after many years of frantic drug research, antiretrovirals are saving the lives of millions of people infected with HIV and helping to contain the virus' spread, Fauci said in an email.

By suppressing viral levels, antiretrovirals can prevent HIV being transmitted by pregnant women to their unborn children, and by infected people to their sexual partners.

But there have also been setbacks, particularly in the quest for a vaccine.

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Monday, 20th May 2013

Killer virus alert for travellers

Australians travelling to the Middle East could need a health check when they return if infections caused by a SARS-like virus continue to rise, a WA disease expert warns.

Curtin University professor of health science Charles Watson said a new viral agent from the same family of viruses that caused an outbreak of severe acute respiratory syndrome 10 years ago had emerged in the Middle East a few months ago and recently spread to Europe.

By this week, 41 cases of the coronavirus, known as London1 novel CoV 2012, had been reported and half the patients had died.

Professor Watson, a public health physician and neuroscientist, said the virus was not highly infectious and had been limited to small clusters but if the number of cases kept rising it could pose a risk to other countries such as Australia.

Of particular concern would be the impact of the hajj, a pilgrimage in Saudi Arabia in mid-October which was expected to attract two million Muslims from around the world, including Australia.

Professor Watson said it might be necessary to set up a special system to track pilgrims returning from the hajj.

"While overall you would have to say the risk in countries like Australia is not great at this stage, it really depends if it keeps smouldering on," he said.

"If the epidemic was still going on at the time of the hajj, which is a huge gathering, then it would have implications for a whole lot of countries because you'd have a lot of people returning home who might get ill and pass it on.

"We'd probably have to recommend that everyone coming back from the Middle East have a medical check when they arrived back. I think that would be sensible."

Professor Watson said the potential for viruses to spread had increased with the higher speed of international travel, which allowed people to travel anywhere in the world in less than 24 hours. There were also continuing concerns about the new bird flu virus H7N9, which had spread to more than 100 people in China in recent weeks.

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Killer virus alert for travellers

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