31. At WHO's request, Russian and American scientists mapped the complete DNA sequences of three strains of variola . 32. The only official stocks of variola are at the Centers for Disease Control in Atlanta and at a Russian lab. 33. Variola virus infects only humans in nature, although primates and other animals have been infected in a laboratory setting.34. In its early stages, the great pox produced a rash similar to smallpox ( also known as variola ). 35. A : It is a disease, caused by a virus named Variola , that is very easily transmitted between people. 36. The WHO committee that made the genetic engineering recommendation is the international organization's Advisory Committee on Variola Virus Research. 37. Currently, imatinib and related compounds are being evaluated by the CDC for their efficacy against variola virus and monkeypox virus. 38. The last naturally occurring case of smallpox ( " Variola minor " ) was diagnosed on 26 October 1977. 39. In 1999, he was one of several scientists to argue for the destruction of the remaining stocks of variola virus. 40. Taped to the door is a biohazard sign in school-bus yellow with one word : " VARIOLA ."
