If we are talking about “driving the risks from Ebola to the general background risk level”, well, at the moment it’s well below that level.
Are you saying that because precautions are in place, the risk is being kept below that level, or that because the risk is below that level, precautions need not be taken? The first is fine, the second is not.
Are you saying that because precautions are in place, the risk is being kept below that level, or that because the risk is below that level, precautions need not be taken? The first is fine, the second is not.
It’s a feedback loop: observe the current state and the dynamics, adjust as needed.