How Did We End Up in This Mess?

This especially goes for EU countries.

However, there are many good examples worldwide on how to organize vaccination well, and one of the best is the vaccination process in Israel. On the other hand, Croatia is having a lot of problems in Croatia, Index from Croatia reported.

Insufficient quantities of vaccines are coming in, significantly smaller than expected, even smaller than Croatia should have according to the number of inhabitants. Croats have not yet vaccinated all those at risk, let alone the entire adult population, despite the fact that the beginning of the tourist season is approaching.
The priority groups have been redefined several times so far, once the teachers were there, then the tourist workers, and recently journalists have been mooted.

Some younger people were invited for vaccination, the elders were not EPA/ANTONIO BAT

While some at risky groups and those older than 65 fail to get the vaccine, in some places healthy people under the age of 40 managed to get vaccinated. Due to a "system glitch" as explained by the Ministry, mass invitations were sent to people younger than 30 and the invitation was sent to those older than 60.
In some places, the elderly and the sick refuse the AstraZeneca vaccine or any other vaccines for that matter, while elsewhere there is not enough AstraZeneca for those who would like to be vaccinated.
Some people have registered with family doctors who receive not enough doses, and they have a lot of older patients, so they fail to get their turn, while at the same time some younger ones come to the line because they register on the Cijepise.zdravlje.hr portal or because their doctors do not treat or have such old patients.

Claim that it was enough to report to the...