.                                                      REFERENCES

15.Lederberg J: Infection emergent. JAMA 1996, 275:243-244

16.Roizman B (Ed): Infectious Diseases in an Age of Change; the Impact of Human Ecology and Behavior on Disease Transmission. Washington DC: National Academy Press, 1995

17.Davis JP, Chesney PJ, Wand PJ et al: Toxic shock syndrome; Epidemiologic features, recurrence, risk factors and prevention. N Engl J Med 1980, 303:1429-1435

18.Epstein PR: Emerging diseases and ecosystem instability; New threats to public health. Am J Public Health 1995, 85:168-172; see also Patz J et al: Global climate change and emerging infectious diseases. JAMA 1996, 275:217-223

19.Knudsen AB: Global distribution and continuing spread of Aedes albopictus. Proc. Workshop on Geographical Spread of Aedes albopictus, Rome, December 1994; see also Knudsen AB: Geographic spread of Aedes albopictus in Europe and the concern among public health authorities. Europ J Epidemiol 1995, 11:345-348

20. Last J: Can we end the arms race against infectious pathogens? Ann Roy Coll Phys Surg Canada 1997, 30:327-8

21.Fraser DW, Tsai TR, Orenstein W et al: Legionnaires’ disease - description of an epidemic of pneumonia. N Engl J Med 1977, 297:1189-1197