When we cannot access the community, we cannot perform surveillance activities including vaccination that has been one of the key innovations that help us really to stop the spread out of this country to others.

Michel Yao

Information is critical for us to better help, it's difficult to anticipate their overall needs if you don't have accurate information.

This is still to be fine-tuned, it's difficult to make a long-term estimation because the context changes too much and also public health measures when they are fully implemented, they can actually have an impact.