u.k.-based welcome trust, says the epidemic which has claimed more than 2000 lives, is the worst in years and shows no signs of stopping. it has now spread to uganda where two members of the same family, including a five-year-old boy, have now died. uganda has returned other family members to the urc. the world health organization is considering declaring the outbreak a global emergency. >> borders cannot stop a virus, but ugandan authorities are trying, nonetheless. three ebola cases have been registered in the country, the first known cross-border spread since an outbreak began in the neighboring dedemocratic repepuc of congo last august. fefears grow ththat this might y be the beginning. >> ebola o outbreak is still gog on, and today, we have overr 200 confirmed cases, so the probability of more cases is very high. >> ebola is not new to uganda. the country has seen five outbreaks of the disease since the yeaear 2000. it h has stepped up efforts to contain the virus, screreening eveveryone enterining uganda frm the eastern drc. the government is also e employe a vaccine for health-care