The author of the article seemed to conduct their research from NPR reporters in Haiti, interviews with various organizations (U.N, Center for Economic Policy and Research, and the Institute for Justice and Democracy in Haiti), and other reports (one from the U.S. Government Accountability Office was referenced).
Increased funding from the U.N., distribution of cholera vaccines, focus on poorer populations to educate and give access to medications/water, and clean up of the Arbonite River.
"Less than a penny of every dollar goes directly to a Haitian organization."
"So as Haiti approaches the fifth anniversary of its cholera epidemic later this year, the main hope for eradication rests on political and legal pressure on the U.N. to come up with the money."
1. USAID and their contributions to Haiti
2. The Institute for Justice and Democracy in Haiti and their impact
3. The United Nations and if they've been sued by Haiti for cholera epidemic
The article notes the U.N.'s role in the cholera epidemic that killed thousands of Haitians and government and societal factors that lead to Haiti's lack of major improvement after the earthquake. Another public health issue that was mentioned was, "the only part of the Haitian government that receives direct funding from the U.S. government, the Health Ministry, has racked up impressive post-earthquake gains in childhood vaccination rates and access to lifesaving HIV treatment".
Brian Concannon (executive director) and Beatrice Lindstrom (lawyer) of the Institute for Justice and Democracy in Haiti, a nonprofit in Boston that fights for human rights on the island
Carrie Kahn is an international correspondent for NPR.
President Michel Martelly was the president of Haiti (from May 2011 to February 2016).
Ban Ki-moon; the 8th and current Secretary General of the United Nations.
Jake Johnston is a researcher "of the Washington-based Center for Economic Policy and Research"
The main point of the article was that despite $13.5 billion in monetary dontions to Haiti, the country is not much better than before the earthquake. The article notes Haiti's ongoing political turmoil, a cholera epidemic (which the U.N. is underfunding and not taking credit for causing), and the system which stifles foreign aid to Haiti as factors for the lack of actual improvements to Haiti even with the large amount of donations they received.