While the overall incubation period for tetanus ranges from 3 to 21 days, the reported median incubation period spans from 7 to _____ days.
Answer
10
Explanation
The material gives a median incubation period of **7–10 days**, with a broader range of 3–21 days. Do not confuse this with the separate poor-prognosis interval from inoculation to trismus, which is less than seven days. **Key takeaway:** The reported median incubation period is 7–10 days.\n\n**Glossary:** **Incubation period**: time from infection or inoculation to symptom onset.