| http://www.w3.org/ns/prov#value | - They said the virus, previously known to have infected only birds, appears to have mutated, enabling it to more easily infect other animals, including pigs, which could serve as hosts spreading the virus more widely among humans.The findings are preliminary and need further testing.The scientists said that based on information from genetic data and Chinese lab testing, the H7N9 virus appears to in
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