Medical Parasitology
by K. Shyamasundari , K. Hanumantha Rao May 2019
Parasites and parasitic morbidity and/or disease seem to be a birth right of the tropics. This is a sequel to greater biodiversity fragmented in
relation to biogeography and climatic shifts congenial to nocturnal enemies of humans, like mosquitoes. In fact in some cases parasite strategies have thwarted attempts of the scientific community to eradicate them. The best example running its course now is any kind of flu. Flu is no simple single strain strategy. diseases, man has recognized a dichotomy namely, animal diseases and diseases of man but here may be links between humans and animal (zoonoses).
parasites and parasitic morbidity and/or disease seem to be a birthright of the tropics. This is a sequel to greater biodiversity fragmented in relation to biogeography and climatic shifts congenial to nocturnal enemies of humans, like mosquitoes. In fact, in some cases, parasite strategies have thwarted attempts of the scientific community to eradicate them. The best example of running its course now is any kind of flu. Flu is no simple single strain strategy. At the base of parasitic diseases, man has recognized a dichotomy namely, animal diseases and diseases of man but there may be links between humans and animal (zoonoses). We owe a great deal to the British Empire in the expansion of knowledge of tropical diseases especially of peninsular India with more or less warm climate plenty of room for growth of intermediate host like Anopheles(malaria), Culex (filaria) and Aedes (dengue).
The School of Tropical Medicine and Hygiene in London is especially interested in this direction. We have at the present time many institutions in India dealing with public health problems. Schools of Tropical Medicine, Calcutta, several laboratories of preventive medicine and more recently immunology laboratories. Likewise, there has been a growth of institutions dealing with veterinary medicine and animal health. We are just beginning to understand what is known as zoonoses. That is parasites which normally infect and developing animals can under certain circumstances infect humans and thrive with as much ease. India can now boast of being free of smallpox and plague but bad hygienic conditions are not allowing the control of malaria, dengue, filaria, typhoid, leprosy, etc. Dilution of efforts because of population explosion is the cause.
A multi-prolonged attack 1. Treatment, 2. Eradication of intermediate hosts (like mosquitoes) 3. Preventive measures (Prophylaxis)specific to each parasitic infection becomes a must, education is necessary. The aim of the present books is to provide brief but reasonably comprehensive information to the medical student as well as students of medical laboratory techniques. To be a comprehensive parasitologist of some worth and meaning the present book has been designed. Equal emphasis is given to microbes and the protozoan and metazoan parasites.
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