The great crippler - syphilis" poster
The pattern
This still is filed under Public health warning.
Define
A warning designed to change a health behavior (stop, screen, stay home), not to sell a brand.
Mechanism
Fear with a next step. The threat is specific. The action is doable today. Fear without an action is cruelty.
Verdict
The risk is real and the action is clear. Official or civic voices help.
Why it works
Contrasts the innocence of a child with the stark, alarming word 'SYPHILIS'. The looming shadow of the mother and baby suggests the congenital transmission of the disease, making it a family tragedy rather than just a personal indiscretion.
Steal this when
You need to warn about a hidden danger by highlighting its devastating impact on the most vulnerable.