Plagues - What's past is present: Thoughts on the origin and history of new infectious diseases

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Medical science has made tremendous strides in overcoming infectious diseases in the 20th century. Despite this, several epidemics of previously unrecognized diseases have occurred during the last 15 years. These diseases include Lyme disease, Legionnaires' disease, toxic shock syndrome, and AIDS. Examination of past epidemics, including the plague of Athens, the black death, syphilis, and influenza, suggests that the sudden occurrence of diseases that were previously unrecognized is not unusual. Analysis of the new infectious diseases indicates that while all four appeared suddenly, isolated cases of the disease occurred before the actual epidemic. Further, all four new diseases were found to be due to agents or toxins that were not previously recognized. Epidemics due to new infectious diseases may arise by several mechanisms, including mutation of the pathogen to a virulent form and introduction of an infectious agent into a nonimmune population. Environmental and behavioral factors may play an important role, as illustrated by toxic shock syndrome, Legionnaires' disease, and AIDS. On the other hand, epidemic diseases tend to abate over time because of changes in the infecting pathogen and in the host. Hence, epidemics can be seen as cycles; new diseases will arise periodically, occasionally with a devastating outcome. With time the effects of these diseases on the population will ameliorate. The cycle will begin again when a new disease emerges.

Original languageEnglish (US)
Pages (from-to)658-665
Number of pages8
JournalReviews of Infectious Diseases
Volume13
Issue number4
StatePublished - 1991
Externally publishedYes

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Plague
Communicable Diseases
Legionnaires' Disease
Septic Shock
Acquired Immunodeficiency Syndrome
Lyme Disease
Syphilis
Human Influenza
Population
Mutation

ASJC Scopus subject areas

  • Microbiology (medical)

Cite this

Plagues - What's past is present : Thoughts on the origin and history of new infectious diseases. / Ampel, Neil M.

In: Reviews of Infectious Diseases, Vol. 13, No. 4, 1991, p. 658-665.

Research output: Contribution to journalArticle

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