What gets less attention is the question of how to take effective action when we do get involved.
But perhaps the health agency's most effective action had been set in motion two years earlier.
As a result, no effective action was taken and attacks increased.
They can point the way to more effective international action if similar cases arise in the future.
What we have always said is these need to be followed by effective action.
America, if it is to have the standing to call for effective action, must be ready to share the risk.
"The last time this was done, in 1983, we were given just a few weeks to take effective action," he said.
How serious does it have to get before effective action is taken?
It is high time for effective action to be taken against him.
It is easy for us to talk, but very hard to take effective action.