translation.en: Change can be abrupt and unexpected but they can also be protracted and gradual and thus pose considerable challenges to public health.
translation.mt: Il-bidla tista' tkun f'daqqa u mhux mistennija, iżda tista' tkun imtawwla u gradwali u b'hekk tkun ta' sfida konsiderevoli għas-saħħa pubblika.