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?
The answer to your question is true
He could have taken any drugs .. with that and he could have smoked and drank alcohol and so much more
Egg yolks and oil and vinegar
The Answer is Mesomorphic.