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Find the indicated sum or difference.
Vaccine
A biological preparation that provides active acquired immunity to a particular infectious disease.
Sexually Active
Engagement in sexual activities with one or more partners, often implying the risk of sexually transmitted infections if protective measures are not taken.
Retirement Stage
A phase in an individual's life following the cessation of full-time work, often focused on leisure, volunteering, and personal interests.
Career Development
This refers to the progression and growth of one's professional life or job position over time.
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