Four weeks ago tomorrow, Port-au-Prince and other parts of Haiti were crushed by a devastating earthquake.

We should not lose sight of the fact that perhaps 200,000 people died and that conditions there remain grave.

Earlier today, the United Nations released some new data and some somber reminders. It said, for example, that:

The U.N. Office for the Coordination of Humanitarian Affairs estimates that over 400,000 Haitians have fled Port au Prince for rural areas in the past two weeks. Food distribution is still a challenge. The World Food Program has reached 1 million Haitians, but there are still 2 million more in need.

Here's the latest update from the U.N.'s Office for the Coordination of Humanitarian Affairs:

Cluster Situation Map 5 February-1

For more of NPR's coverage of the crisis in Haiti, click here.

If you're looking for information on charities doing work in Haiti, click here.