مزارع عمره ٥٠ سنة جُرح بمسمار صدئ، وآخر جرعة تيتانوس أخذها قبل ٢٠ سنة. ما المتوقع؟

A 50-year-old farmer has a wound from a rusty nail; his last tetanus dose was 20 years ago. What is expected?

1. An antibiotic alone without vaccine
2. Nothing, because he was fully vaccinated as a child
3. Waiting for symptoms before any vaccination
4. A tetanus booster, ± immunoglobulin by wound

Answer: D) A tetanus booster, ± immunoglobulin by wound. Contaminated wounds need a tetanus booster if more than 5 years have passed; with incomplete or unknown vaccination, immunoglobulin is added. The wound is cleaned thoroughly.