31. Once pneumonic plague was diagnosed, panic took hold. 32. In Kern County, known areas of pneumonic plague -carrying rodents are Tehachapi, Frazier Park and Lake Isabella. 33. Virtually all the deaths were attributed to pneumonic plague , a highly contagious form of the disease. 34. Aerosolized pneumonic plague remains the most significant threat. 35. Unlike older vaccines, the new vaccine has already proven effective against pneumonic plague in animal models. 36. There is no vaccine to prevent pneumonic plague . 37. Pneumonic plague symptoms usually develop within one to six days after exposure to the plague bacillus.38. In February, pneumonic plague killed six people in the northern state and a dozen were hospitalized. 39. In 1994, some 500, 000 people fled Surat, India, in fear of a pneumonic plague epidemic. 40. The Indian government has said laboratory tests confirmed that the disease afflicting Surat is pneumonic plague .
