| http://www.w3.org/ns/prov#value | - viral disease, largely spread by contaminated water and food, blood, semen and other body fluids.Wiersma said the disease - which has five main viruses - produced a "staggering toll on health care systems around the globe and had the potential to spark epidemics, as well as being the main cause of liver cirrhosis and cancer.Of the five viruses dubbed A, B, C, D and E, a new WHO document says, B w
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