Any democracy or Popular govt. runs on the premise of checks and balance. Govnt. derives its authority from its people and it is answerable to them.
In this case just assuming that the present administration is responsible for this epidemic, ( if its the word I want t use ) , Can the next administration sue this administration for all its mis deeds?
After all if a CEO of an organisation does take a decision which results in considerable loss then he is removed and sued. The persons responcible for policies should be similarly acted upon so that they or the subsequent persons actually behave.