This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poxviruses, Subject name: Microbiology
Which of the folio wing is not a pox virus- 
Select and explain. 
A. Cow pox, B. Molluscum contagiosum, C. Smallpox, D. Chicken pox
D: Chicken pox
Answer: D: Chicken pox 
Explanation: Ans. is 'd' i.e., Chicken pox fRef: Ananthnaravan 9th/e p. 461 & 8th/e p. 4611Poxviruses causing disease in humanso Variola (small pox )o Vacciniao ButTalopoxo Monkeypoxo Cowpoxo Orfo Molluscum contagiosumo Tanapoxo Chicken pox is caused by varicella - zoster virus, which is a herpes virus.