By AP Medical Writer ATLANTA (AP) - Scientists have identified a lethal new virus in Africa that causes bleeding like the dreaded Ebola virus. The so-called "Lujo" virus infected five people in Zambia and South Africa last fall. Four of them died, but a fifth survived, perhaps helped by a medicine recommended by the scientists. It's not clear how the first person became infected, but the bug comes from a family of viruses found in rodents, ... "This one is really, really aggressive" he said of the virus. ... A paramedic in Lusaka who treated her also became sick, was...