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
Most common pox virus infection in human is - 
Select and explain. 
A. Smallpox, B. Monkeypox, C. Cowpox, D. Mulluscum contagiosum
D: Mulluscum contagiosum
Answer: D: Mulluscum contagiosum 
Explanation: Ans. is 'd' i.e., Mulluscum contagiosum o Among the given options, smallpox (variola) virus and molluscum contagiosum affect human as their primary host.o Small pox has been eradicated,o Molluscum contagiosum is a common skin infection.Poxviruses causing disease in humansGenusVirusPrimary HostDisease VariolaHumanSmallpox (new eliminated)VacciniaHumansLocalized lesion; used for smallpox vaccinationBuffalopoxWater buffaloHuman infections rare; localized lesionOrthopoxvirusMonkeypoxRodents, monkeysHuman infections rare; generalized diseaseCowpoxCowsHuman infections rare; localized ulcerating lesion OrfSheepHuman infections rare; localized lesionParapoxvirusPseudocowpoxCows Bovine papular stomatitisCows Mol fuse ipoxvirusMotluscum contagiosumHumansMany benign skin nodulesYaiapoxvirusTanapoxMonkeysHuman infections rare; localized lesionYabpoxMonkeysHuman infections very rare and accidental; localized skin tumors