**Early History:** 1. **Prehistoric Times:** Polio has been…
**Early History:**
1. **Prehistoric Times:** Polio has been present since prehistoric times, with ancient Egyptian images showing children with withered limbs, indicative of the disease[1].
2. **Clinical Recognition:** The first clinical description of polio was by British doctor Michael Underwood in 1789, and it was formally recognized as a condition in 1840 by German physician Jakob Heine[1].