Deadly virus not airborne Mass hysteria is not necessary in this caseDisease transmitted via bodily fluids THE deputy director of the National Institute for Communicable Diseases has assured the public that there is no need to panic, despite the fact that four people have been killed by an unknown, highly contagious virus.Doctor Lucille Blumberg, who also heads up the NICD's epidemiology unit and consults to its special pathogens unit, referred to the death of Cecilia van Deventer, 36, as an "isolated case" and said test results were not yet available.But experts at the University of Stellenbosch believe the mystery virus...