It has been alarming that human activities had increased many proportions and had led to many anthropogenic activities which had been directly and indirectly affecting the natural ecosystems. These activities have replaced many of the endemic natural vegetation with non-native species of vegetation with choices to few species by mostly raising monoculture plantations so as to have increased returns meet the increasing needs of the society. In the process, there has been the dominance of non-native invasive species. Even we see hunting and trade in many of the wild animals. Even many of the countries have even made wildlife rearing legal just to meet their culinary needs. Under the above background, it has been obvious that this is leading to increased incidence and virulence of the diseases.

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