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The researchers analyzed 139 bacterial samples from two Melbourne hospitals collected over 19 years ending in 2015. They studied how well each sample survived when exposed to diluted isopropyl alcohol.The isolates gathered after 2009 were, on average, more tolerant to the alcohol compared with bacteria taken from before 2004, the researchers discovered. Conducting mice experiments and further analysis, they also saw that alcohol-tolerant bacterial samples harbored several genetic mutations involved in metabolism, which made them better equipped to live in the gut.Although the results suggest that microbes can adapt to alcohols and other ingredients found in disinfectants, this conclusion cannot be drawn until more research is done, the researchers warn."There are two things we are working on," said Tim Stinear, a co-author of the study and professor at the University of Melbourne. "One is understanding exactly how the bacteria are becoming more tolerant. ... The second is what's going on in other parts of the world, and we are working with colleagues around the world to address that."One-third of all enterococcal infections in Australian hospitals are caused by E. faecium, according to Stinear and his co-authors. Of these, 90% were ampicillin-resistant strains, and half of those were resistant to vancomycin, another common antibiotic. Even when doctors try a higher-grade antibiotic to treat such illnesses, the outcome may be further drug resistance -- and a longer-lasting infection for the patient.Study co-author Paul Johnson, an infectious diseases professor and director of research at Austin Health in Melbourne, said that when it comes to preventing certain outbreaks, including vancomycin-resistant enterococci, hospitals might need to use more than standard precautions such as hand hygiene."We might need to specifically add additional control measures," he said. Such measures could include using an additional bacteria-killing agent, such as chlorhexidine, to sanitize hands in some medical care settings.True perhaps in hospitals, but the same might not apply to the world at large. 2118

The sheriff's department has repeatedly tried to reassure residents that their homes would be safe from looters, with more than 600 deputies on 12- hour rotational shifts. 171

The three Americans, Kim Dong Chul, Kim Hak-song and Kim Sang Duk, also known as Tony Kim, have been detained in North Korea for months.Donald Trump, who looks set to become the first sitting US President to meet a North Korean leader during a planned summit with Kim Jong Un, said last month his administration was fighting "very diligently to get the three Americans back."He also hinted at a potential development in their case Wednesday night Washington time in a tweet: "As everybody is aware, the past Administration has long been asking for three hostages to be released from a North Korean Labor camp, but to no avail. Stay tuned!"Kim Dong Chul has been in North Korean custody since before Trump was elected, the other two detainees were arrested last spring, after Trump's inauguration. 801

The United States has done very well since Election Day last November 8, Trump said. "The stock market is at an all-time high, a record. Unemployment is at its lowest level." 174

The tech luminary, along with his wife, is the co-chair of the world's largest private charitable foundation, the Bill and Melinda Gates Foundation. The couple teamed up with dignitaries like President Barack Obama and Canadian Prime Minister Justin Trudeau in New York on Wednesday to promote their new Goalkeepers report, which tracks progress on the United Nation's Sustainable Development Goals. 404