The island, known as Renaissance Island in English, is between Kazakhstan and another Central Asian country, Uzbekistan. The United States recently spent $6 million to help both countries, which are now independent, to decontaminate anthrax that the Soviet military buried in pits on the island.
Alan P. Zelicoff, co-author of the Monterey report and a scientist at Sandia National Laboratories, said the Aralsk outbreak was a watershed because it demonstrated that the smallpox virus was more easily spread than previously thought and that there may be a vaccine-resistant strain.
The organism can indeed be made to travel long distances, city-size perhaps, and there may be a vaccine-resistant strain or one that is more communicable than garden-variety smallpox, he said in an interview.