 It couldn 't happen today . Internal Review Boards would not permit the use of a live virus in human subjects unless they really understood what was going to happen to them . And I doubt that even if they knew what the risk was , that an Internal Review Board in any academic institution would consent to that kind of experimental work . 
 It couldn 't happen today . Internal Review Boards would not permit <a href='None' title='1'><mark>the</mark></a><a href='negative_concord' title='2'><mark>use</mark></a> of a live virus in human subjects unless they really understood what was going to happen to them . And I doubt that even if they knew what the risk was , that an Internal Review Board in any academic institution would consent to that kind of experimental work . 
It couldn 't happen today . Internal Review Boards would not permit no use of a live virus in human subjects unless they really understood what was going to happen to em . And I doubt that even if they knew wht the risk was , that an Internal Review Board in any academic institution would consent to that kind of experimental work .