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SYDNEY, May 24 (Xinhua) -- Australian soldiers and contractors in Iraq might have been exposed to blood-borne diseases such as HIV or hepatitis, as staff at Defense's main hospital unit in the Middle East failed to sterilize surgical equipment properly, local media reported on Tuesday.Fairfax newspapers reported the safety breach occurred at the AL Minhad Air Base in the United Arab Emirates over a 19 month period, from February 2009 to August 2010, but soldiers were alerted to the problem only a week ago.A Defense Department memo to troops has warned that soldiers and contractors who passed through the air base hospital near Dubai should ensure they had their blood screened, The Sydney Morning Herald reported."Personnel who underwent a surgical procedure during that period are possibly at risk of acquiring a blood-borne disease," the memo said.However, the health alert says the risk to Australian Defense Force personnel is low, as blood-borne diseases within the force are rare and personnel are vaccinated against hepatitis.The Defense Force's Surgeon-General, Major General Paul Alexander, wrote the "internal procedural issue" was dealt with by the health system and measures were put in place to prevent a repeat of the error.

BEIJING, Feb. 10 (Xinhua) -- Chinese researchers have made significant progress in developing key technologies for natural disaster early warning systems and emergency relief, according to the Ministry of Science and Technology (MST).The four-year project, "Research on Key Technologies for Geological Disasters Monitoring, Early Warning and Emergency Relief," was initiated in 2006 with support from China's top-level government scientific research funding program.Scientists involved in the project had made remarkable technological progress in four fields, namely natural disaster recognition in earlier stage, monitoring and early warning, risks assessment and emergency relief, the MST said in a statement on its website.As part of the project, rain-triggered landslide monitoring and early warning systems have been established around Mount Ailao in southwest China's Yunnan Province and in the southeastern area of east China's Fujian Province.A natural disasters monitoring system has been developed by Chinese scientific workers using optical fiber technologies. This system with Chinese intellectual property has been put into use in areas, including the the reservoir region of the Three Gorges Project on the middle reaches of the Yangtze River.According to the MST, the research project also provided substantial technological support in assessment of disasters and relevant relief during China's responses to the Wenchuan earthquake in May 2008 and the massive mudslide in Zhouqu of Gansu last August.

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive iodine has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) said Wednesday.According to a joint statement from the two agencies, results from a screening sample taken March 25 from Washington detected 0.8 pCi/L of iodine-131, which is more than 5,000 times lower than the Derived Intervention Level set by the FDA.These types of findings are to be expected in the coming days and are far below levels of public health concern, including for infants and children, the statement said.Iodine-131 has a very short half-life of approximately eight days, and the level detected in milk and milk products is therefore expected to drop relatively quickly."Radiation is all around us in our daily lives, and these findings are a minuscule amount compared to what people experience every day. For example, a person would be exposed to low levels of radiation on a round trip cross country flight, watching television, and even from construction materials," said Patricia Hansen, an FDA senior scientist.

WASHINGTON, May 25 (Xinhua) -- The number of young adults in the United States with high blood pressure may be much higher than previously reported, according to a new study by researchers at the University of North Carolina (UNC) at Chapel Hill.Researchers analyzed data on more than 14,000 men and women between 24 and 32 years old in 2008 from the National Longitudinal Study of Adolescent Health, known as Add Health. They found 19 percent had elevated blood pressure, also referred to as hypertension. Only about half of the participants with elevated blood pressure had ever been told by a health-care provider that they had the condition."The findings are significant because they indicate that many young adults are at risk of developing heart disease, but are unaware that they have hypertension," said Quynh Nguyen, a doctoral student at UNC's Gillings School of Global Public Health and the study's lead author. Hypertension is a strong risk factor for stroke and coronary heart disease, the leading cause of death for adults in the United States.The findings were published this week in the journal Epidemiology.Kathleen Mullan Harris, Add Health's principal investigator and a co-author of the paper, said the findings were noteworthy because they were from the first nationally representative, field- based study of blood pressure to focus on young adults."The message is clear," said Harris. "Young adults and the medical professionals they visit shouldn't assume they're not old enough to have high blood pressure. This is a condition that leads to chronic illness, premature death and costly medical treatment."