Q: Which one among the following diseases does not yet have any effective vaccine?
(a)Chicken pox
(b)Typhoid
(c)Viral Hepatitis C
(d)Human Papilloma virus
Correct Answer: (c)
The correct answer is (c): Viral Hepatitis C. Subject: Science & Technology | Sub-topic: Health & Diseases Note: This answer was determined through AI-based research. Verify against the official answer key when available.