A general public health case study can be a historic account of a health menace And just how it had been managed. An implementation science case study evaluates the implementation of the intervention (generally retrospectively), combining quantitative assessment from predefined targets by using a narrative of how the task unfolded. https://ricardozajep.tinyblogging.com/the-2-minute-rule-for-hire-someone-to-write-my-hbr-case-study-82531302