what they had not previously considered possible--better control, if not eradication, of the other infections such as

what they had not previously considered a possibility--better control, if not eradication, of such infections like

something they had not previously considered possible--better control, if not eradication, of such infections as

something not considered a previous possibility--better control and perhaps eradication, of other infections such as

the possibility of what they had not previously considered--better control and possibly eradication of infections like