By having the best distribution system in the world, and by leveraging that into a promise to gather data on vaccine efficacy before anyone else can.

This trick only works for one small wealthy country. Nobody cares so much about the second fastest set of vaccination health data that they will prioritize shipments to your country. Slovakia and Greece would still be shit out of luck.

It's like pointing at a lottery winner, and saying - 'look, this is the strategy you all should be emulating to get out of poverty.' The problem is, there is only one winner, and there is only one guinea pig of a country that will commit itself to being a case study for a fast, full rollout, as long as it gets priority on vaccines.

Also, Israel's impressive vaccination statistics conveniently ignore its Palestinian population, which is not getting those doses.