C. This is also on an ICU setting, with (presumably) significant treatment protocols in effect. You shouldn’t assume it applies to other situations.

A. Lowering a fever is not the same as no fever B. the study concluded taking Tylenol did not affect number of ICU days. It did not conclude that fevers are not an important part of the immune system.

https://www.health.harvard.edu/diseases-and-conditions/treating-fever-in-adults#:~:text=Fever is one of the,such as viruses or bacteria.