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AIDS May Partly Be The Consequence Of An Evolutionary Accident



AIDS, a fatal disease in humans, may partly be the consequence of an evolutionary accident. Previous studies have established that one of the key differences between the way HIV-1 behaves in humans and closely related SIVs behave in monkeys is that when humans are infected with HIV-1 the immune system becomes highly stimulated. This means critical defense cells called helper T cells are continuously activated and die more quickly than usual.


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At least 18 dead in Cairo rockslide (AFP)

People search for survivors under the rubble of homes at the site of a massive rockslide at Moqattam hill in northern Cairo. At least 18 people were killed and 22 injured when dozens of homes collapsed after being hit by the rockslide, Egyptian emergency services said.(AFP/Khaled Desouki)AFP - At least 18 people were killed and 22 injured on Saturday when dozens of homes in northern Cairo collapsed after being hit by a massive rockslide, Egyptian emergency services said.



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