R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. Jonas Salk invented the vaccine for (A) Typhoid (B) Hepatitis (C) Polio (D) Cholera 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) Polio You must be Logged in to update hint/solution 💬 Discussion 💬 Comment