51.   U.N. health experts have played down the threat of a deadly Ebola virus epidemic even as doctors reported a possible outbreak in a second Zairian city.

52.   University students took long-postponed examinations without incident Monday as truckloads of riot police guarded against possible outbreaks of anti-government unrest.

53.   U.N. officials expressed concern of a possible outbreak of fighting around three other government-held enclaves in eastern Bosnia.

54.   U.N. officials have also expressed concern of a possible outbreak of fighting around government-held enclaves in eastern Bosnia.

55.   U.N. health experts played down the threat of a deadly Ebola virus epidemic even as doctors reported a possible outbreak in a second Zairian city.

56.   WHO earlier had urged neighboring countries to step up health monitoring and prepare to deal with possible outbreaks.

57.   WHO was also investigating a possible second outbreak of the disease.

58.   Britain said Thursday it was investigating a possible new outbreak of foot-and-mouth disease at an abattoir in the central English county of Leicestershire.

59.   Earlier in the week, health officials braced for possible outbreaks of dengue, malaria and infectious diseases.

60.   Unofficial reports also mention a possible outbreak of cholera which has led Russia to close its borders to the North.