Knowledge center. Chickenpox (Chicken Pox) , also known as Varicella, is a very contagious infection caused by the varicella zoster virus. In several parts of the world it is just known as varicella. Patients develop a blister-like rash, which first appears on the face and trunk, and then spreads throughout the body.
Etymology[edit] Latin. See mode. modus â(plural modi) (law, obsolete) The arrangement of, or mode of expressing, the terms of a contract or conveyance.
Best Answer: Modus operandi (often used in the abbreviated form MO) is a Latin phrase, approximately translated as mode of operation.. The plural is modi operandorum (modes of operation). It is used in police work to describe a criminal's characteristic patterns and style of work.