Support, movement, protection, red blood cells production
Immunisation, public health promotion to raise awareness and knowledge (e.g. Ads, at the provider-patient level)
Targeting and improving infrastructure for public welfare! e.g. Sewerage services for clean water
Screening for early diagnosis and treatment
Quarantining if required..
Though the word "potential" is throwing me off a bit here, are they asking you for novel strategies instead of solid ones?
Kennedy was assassinated in 1963.
