The GiveWell Blog

June 2024 open thread

Our goal with hosting quarterly open threads is to give blog readers an opportunity to publicly raise comments or questions about GiveWell or related topics (in the comments section below). As always, you’re also welcome to email us at or to request a call with GiveWell staff if you have feedback or questions you’d prefer to discuss privately. We’ll try to respond promptly to questions or comments.

You can view previous open threads here.


  • Dr. Georg Naggls on June 9, 2024 at 9:08 am said:

    R21 Matrix M has been approved as safe and effective, the WHO now recommends it and GAVI funded the rollout. Will you guys have a look into this and reevaluate the malaria-Situation accordingly? Will GAVI receive a recommendation? Are there other charities distributing R21 more effectively? Could the vaccine be more effective than bed-nets? Are the effects of both complementary, or does one shadow out the other?

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