Last updated: November 2019
A core part of our research process is following the progress of charities to which GiveWell directs a significant amount of funding. On this page you can find links to all of our content on Helen Keller International's (HKI's) vitamin A supplementation program, one of our top charities.
- Our current review, updated in November 2019.
- Past reviews: November 2018 , November 2017 , October 2017 (interim review), 2007.
For all blog posts on HKI, see the HKI blog category.
Notes from conversations
For notes from conversations with HKI, see our conversations page.
In October 2017, GiveWell staff visited HKI's program in Conakry, Guinea. For notes and photos from the trip, see the site visit page.