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Design a flu-shot A/B/n campaign experiment

System Design · Cvs Health · Medium

You are the analytics lead for a Fall 2025 pharmacy campaign whose goal is to lift in-store flu vaccination uptake through text messaging and email. The audience consists of adult customers who hold pharmacy loyalty IDs and live in California, New York, or Texas. An outcome counts as a success when the customer receives a flu shot at one of our pharmacies between September and November 2025. Two channels are available: SMS and Email. Each carries a per-send cost (SMS $0.02,…

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