SAO PAOLO: Two patients who recently arrived in Brazil from African countries have been put in isolation after showing symptoms linked to Ebola, officials said, raising concerns about the deadly virus spreading beyond the African continent . A 37-year-old man who recently traveled to the Democratic Republic of Congo (DRC), where the outbreak has been concentrated, "exhibited symptoms such as fever, meeting the definition of a suspected case" of Ebola, the Sao Paulo state government said in a