By Adetokunbo O. Lucas, Herbert M. Gilles
ISBN-10: 0340759887
ISBN-13: 9780340759882
ISBN-10: 0340807385
ISBN-13: 9780340807385
Proven as a tremendous textual content for college students of tropical drugs this e-book is usually a useful resource of reference for future health pros practising within the tropics. It bargains an built-in method of public healthiness, putting emphasis on basic care, overall healthiness schooling and the making plans and implementation of keep an eye on measures. The booklet is designed to coach public medical examiners to investigate occasions severely and deal with variety, complexity and alter. Please observe that regardless of the hot name, this fourth version is a brand new version of Preventive drugs for the Tropics.
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Extra resources for Short Textbook of Public Health Medicine for the Tropics, 4th Edition
Example text
The probability of survival at different ages. A life table from birth – life expectancy at birth – shows the average longevity of the population. In developed countries, life expectancy at birth is over 70 years but it is under 50 years in some developing countries. MORBIDITY S TAT I S T I C S UNDER FIVE MORTALITY RATE In developed countries, the first year of life represents the period of highest risk in childhood and the death rate is very low in older children. In many tropical developing countries, although the first year does represent the period of highest risk, a high mortality rate persists in the older children.
Since the bacilli cannot survive indefinitely in these habitats, these other sites do not represent the reservoir of typhoid infection but may serve as a source of infection. HUMAN A carrier is a person who harbours the infective agent without showing signs of disease but is capable of transmitting the agent to other persons. Different types of carriers are described depending on when they excrete the organism in relation to the illness: ■ ■ ■ WHY CARRIERS ARE IMPORTANT IN THE EPIDEMIOLOGY OF SOME INFECTIONS Carriers play an important role in the epidemiology of certain infections (poliomyelitis, meningococcal meningitis, typhoid and amoebiasis): ■ ■ R E S E RVO I R This includes a number of important pathogens that are specifically adapted to man – the infective agents of measles, AIDS, typhoid, meningococcal A healthy carrier remains well throughout the infection.
Despite the development over the years by WHO of low-cost strategies to combat many of the killer infectious diseases, many countries are still not using them and not deploying them enough to make an impact on morbidity or mortality (Plate 11). INFECTIOUS DISEASES AND DEVELOPMENT Changes in land and water use, deforestation, agricultural development, dams and irrigation schemes can have major positive or negative impact on the pattern of disease (Plate 12). Large outbreaks of communicable diseases periodically occur worldwide (Plate 13).
Short Textbook of Public Health Medicine for the Tropics, 4th Edition by Adetokunbo O. Lucas, Herbert M. Gilles
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