Covid: are we “following the science”?

Field of ScienceExample QuestionsBeing Followed?
Medical / EpidemiologyHow does covid spread?
What is the real infection fatality rate?
Do masks work?
Do lockdowns work?
They are trying, but some would say they are only following the science they like.
Economics (the dismal science)What are the costs and benefits of different approaches (e.g. of lockdowns), and how much should society be prepared to spend to avoid deaths from covid?Unlikely
Political ScienceHow can I avoid blame and get re-elected? Definitely

There is much talk about “following the science”. I’ve always wondered which one people were talking about? And/or if they were capable of thinking about more than one field of science at a time?