You are both Swiss citizen and a world citizen.
There are some diverging interested between the population of Switzerland and the population of the whole world.
If you cooperate with either of the group agenda of the groups you belong to, that's not antisocial.
Systematically, I do believe that as an individual it's worth to cooperate with vaccination policy of the country in which you live and that the more people cooperate with the health policy of their home country the more effective the policy will be generally as there's less resources spent on internal friction.
If you live in Australia that has strong border I think you can argue that controlling Covid is more or less fine. In a country in Europe with relatively open border there's no control and the Delta varient multiplying in some corners.
Stamping out COVID-19 everywhere is a way to prevent further dangerous mutations and for that it's good for Western countries to go to herd immunity.