There is always politics in public policy. Science tells you what the consequences of your actions might be, it doesn't tell you anything about the desirability of those consequences.
If your goal is to eradicate a virus, science tells you the correct policy choice is to ban all interpersonal interaction for several months, stop all transportation, and put locks on everybody's doors so they can't leave their houses.
If your goal is to eradicate a virus, science tells you the correct policy choice is to ban all interpersonal interaction for several months, stop all transportation, and put locks on everybody's doors so they can't leave their houses.