Israeli doctor Gilat Raisch recently volunteered at a hospital in the Asian country of Laos. She was frustrated that there were no blood supplies for patients. So, she contacted the local Chabad Rabbi who arranged in two weeks for nearly 100 Israeli backpackers to donate blood. The project continues to save lives.

https://www.israel21c.org/israeli-doctor-teams-up-with-backpackers-to-save-lives-in-laos/