I believe the answer is: No
An action is considered to be constitutional if it follows the regulation that is written under our constitution. According to the constitution ,The federal judge would held their position for the rest of their life. So limiting it to six years would not follow the regulation under the constitution.
The correct answer to this open question is the following.
What region do you suggest will be given priority in the vaccination program? Why?
Unfortunately, you do not specify if you are referring to the United States or the world.
If you are talking about the world, I would like to suggest that the region could be developing countries in Asia, Africa, India, or Latin America, because their citizens are poor and by the millions. So the spread of the disease could be more quickly and most of those countries do not have the kind of public health infrastructure to help their citizens. And this could affect the entire world.
If you are talking about the United States, then I would recommend vaccination for the larger urban areas and cities such as New York, Chicago, Houston, Dallas, or Los Angeles, because these are large cities overpopulated that have more risk to spread the disease due to the number of people that live and work there.
Trust within the community, not being stupid, and a sense of political (or physical) strength.
It is the ennui. By the center of the nineteenth century, apathy moved toward becoming related with the estrangement of industrialization and present-day life. Craftsmen and writers experienced it, and soon a claim to apathy was a characteristic of otherworldly profundity and affectability. It inferred sentiments of prevalence and self-respect, the thought being that lone middle-class individuals<span> excessively tricked or doltish, making it impossible to see the essential purposelessness of any activity could be upbeat.</span>