R Ranjeet 🎓 Tutor III ⭐ 34.60K Points 📊 Microbiology Q. Acquired immunity is (A) Natural (B) Artificial (C) Active & Passive (D) All of these 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) All of these