Suarez previews his upcoming series on Peru's surprising economy, programs aimed at poor new mothers and some promising HIV research.

Fred de Sam Lazaro reports on the humanitarian crisis in the African nation of Sudan, where drought and food shortages are contributing to violence, political instability and death.

In February, NewsHour special correspondent Fred de Sam Lazaro and producer Nicole See visited a Doctors Without Borders hospital in a remote part of southern Sudan, where patients often walk for miles to get treatment.

Spencer Michels reports on efforts in San Francisco to design and build heavy-duty, low-cost wheelchairs for use in the rough terrain of Haiti and around the Third World.

Nearly 600,000 people are still without shelter as the rains begin to fall in Port-au-Prince. Ray Suarez speaks to Under-Secretary General John Holmes of the United Nations about Haiti's long journey of rebuilding ahead and the state of the relief effort.

Preventing the spread of disease in Haiti's quake-damaged cities, where thousands have taken refuge in temporary camps, is a formidable task in a country that already posed sanitation challenges. William Fellows, UNICEF's global water, sanitation and hygiene coordinator, explains.

For weeks following the Jan. 12 earthquake in Haiti, a steady stream of airplanes stuffed with medical and other relief supplies shuttled in and out of the Port-au-Prince airport.

With conditions on the ground ripe for a disease outbreak, aid groups in Haiti have launched a campaign to vaccinate more than 100,000 people against measles, diphtheria and tetanus. Emma Murphy of ITN reports.

Kathie Klarreich, a freelance writer, sent us the story of one child's rescue from the earthquake rubble in Haiti, her transfer to the United States for medical treatment, and her family's eager anticipation of her return.

Haiti's leaders are turning toward rebuilding its shattered government as earthquake recovery continues. Ray Suarez reports.

The British medical journal the Lancet formally retracted a 1998 study that helped set off the debate over the safety of vaccines and whether they may be connected to later diagnoses of autism in children.

Ray Suarez is reporting from Haiti for the Newshour. The Rundown blog caught up with him between stories to get his thoughts on what he is seeing as the country struggles with the rebuilding process.

Ray Suarez reports on how Haitian and international medical teams are wrestling over whether to discharge earthquake victims who have been treated, but don't have homes where they could continue their recovery.

Stores in the country's biggest city are closed, and don't appear ready to open very soon. Their employees and the employees of thousands of enterprises around the city haven't been to work in weeks, and have little or no money left.

A NewsHour producer shares her observations from the field.

In this dispatch for the Rundown, Suarez describes his journey to Haiti, the scene in Port-au-Prince and what he will be covering in the days ahead on the NewsHour.

What constitutes good news in the midst of a tragedy like Haiti's? Today the NewsHour team headed out to Haiti's massive central plateau to see an operation that has stretched its modest resources to fit an oversized disaster.

Kwame Holman updates the situation in Haiti, where aid workers continue to struggle to reach quake survivors in urgent need.

Ray Suarez talks to the United Nations' deputy special envoy to Haiti about the obstacles facing aid workers in Port-au-Prince, where thousands require urgent care.

The "Haiti Story" isn't just one story any more, it's two, writes Ray Suarez. One is a country still stunned by the scale of death and destruction. The other is the country that is figuring out how to cope with the jaw-dropping tragedy that started in fault lines way under ground.