America shaped its regional milieu to best serve security and material ends. America also exerted other forms of power.
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Factors in the Emergence of Infectious Diseases. Emerging Infectious Diseases, 1 1 Abstract "Emerging" infectious diseases can be defined as infections that have newly appeared in a population or have existed but are rapidly increasing in incidence or geographic range.
Specific factors precipitating disease emergence can be identified in virtually all cases. These include ecological, environmental, or demographic factors that place people at increased contact with a previously unfamiliar microbe or its natural host or promote dissemination.
These factors are increasing in prevalence; this increase, together with the ongoing evolution of viral and microbial variants and selection for drug resistance, suggests that infections will continue to emerge and probably increase and emphasizes the urgent need for effective surveillance and control.
The editors welcome, as contributions to the Perspectives section, overviews, syntheses, and case studies that shed light on how and why infections emerge, and how they may be anticipated and prevented.
Infectious diseases emerging throughout history have included some of the most feared plagues of the past. New infections continue to emerge today, while many of the old plagues are with us still.
As demonstrated by influenza epidemics, under suitable circumstances, a new infection first appearing anywhere in the world could traverse entire continents within days or weeks.
We can define as emerging infections that have newly appeared in the population, or have existed but are rapidly increasing in incidence or geographic range 12. Although these occurrences may appear inexplicable, rarely if ever do emerging infections appear without reason.
Specific factors responsible for disease emergence can be identified in virtually all cases studied 2 - 4. Table 1 summarizes the known causes for a number of infections that have emerged recently. I have suggested that infectious disease emergence can be viewed operationally as a two-step process: Whatever its origin, the infection emerges when it reaches a new population.
Factors that promote one or both of these steps will, therefore, tend to precipitate disease emergence. Most emerging infections, and even antibiotic-resistant strains of common bacterial pathogens, usually originate in one geographic location and then disseminate to new places 5.
Regarding the introduction step, the numerous examples of infections originating as zoonoses 78 suggest that the zoonotic pool introductions of infections from other species is an important and potentially rich source of emerging diseases; periodic discoveries of new zoonoses suggest that the zoonotic pool appears by no means exhausted.
Once introduced, an infection might then be disseminated through other factors, although rapid course and high mortality combined with low transmissibility are often limiting.
However, even if a zoonotic agent is not able to spread readily from person to person and establish itself, other factors e.
Additionally, if the reservoir host or vector becomes more widely disseminated, the microbe can appear in new places.From a foreign policy analysis perspective, what drove the United State’s rise to power in the early twentieth century?
[dhr] [dhr] T he United States (US) established itself as a great power in the early 20 th century. America’s economic dynamism enabled it to become pivotal in both regional and world politics (Brzezinski, 4). Although the concept of emergence has become very popular in the last few decades in connection with the development of chaos and complexity theories, it is actually a very old idea, dating at least to the nineteenth century, with some hints of it in ancient and medieval philosophy.
The basic idea of emergence is that there are properties - perhaps even "laws" - at the upper hierarchical. The emergence of modern Europe, – Economy and society. The 16th century was a period of vigorous economic expansion. This expansion in turn played a major role in the many other transformations—social, political, and cultural—of the early modern age.
Home Essays Explain the Emergence and Explain the Emergence and Increase of New Religious Movements with Special Reference to New Age.
These movements have always existed but there was a big increase in the 20th century, especially since the s. Roy Wallis categorized these NRM (Wallis, ).
With member countries, staff from more than countries, and offices in over locations, the World Bank Group is a unique global partnership: five institutions working for sustainable solutions that reduce poverty and build shared prosperity in developing countries.
Explaining the Emergence of Smaller and Western Metros With fast-growing populations and diverse economies, states in the West and Mountain region are showing significant economic growth, while smaller metros are benefitting .