differences between the 'demics'

the word pandemic comes from a Greek word 'pandemos', which means 'pertaining to all people'.

pan (all) demos (people)

still haven't managed to digest these definitions into my brain. lul

endemic 
(of a disease or condition) regularly found among particular people or in a certain area.

epidemic
a widespread occurrence of an infectious disease in a community at a particular time.

pandemic
(of a disease) prevalent over a whole country or the world.

#covid19