<prompt> Which of the following is not a pox virus -Cow poxMolluscum contagiosumSmall poxChicken pox  <response>: Chickenpox caused by varicella come under Herpesviruses. Other 3 come under poxviruses. REF:ANATHANARAYAN AND PANIKERS TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:471 and 461 