• Mahesh Chandra Agrawal


The ultimate aim of studying a disease or an infection is to cure the patient and to improve health of the population—may be men or his animals. In noninfected ailments, this is the individual who is taken care of and sequel of the disease does not influence native population. This situation is quite different in diseases which are caused by the pathogens—a bacteria, a virus, or a helminth. Though all these are etiological agents responsible for different infections, yet the control measures to be adapted are quite different for these pathogens. The basic difference is in the life cycle and so in epidemiology which is much more complicated in helminths. Availability of vaccines against bacterial and viral infections with its remote possibility in helminth infections is another important difference. This availability of vaccines has made tremendous difference in control of bacterial and viral infections which is not the case with helminth infections. There are even vast differences in drug efficacy in curing these infections. Whereas there are specific antibiotics for treating bacterial infections, we do not have so effective drugs against helminth infections.


Helminth Infection Aquatic Weed Schistosome Infection Snail Population Snail Control 
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Copyright information

© Springer India 2012

Authors and Affiliations

  • Mahesh Chandra Agrawal
    • 1
  1. 1.Veterinary CollegeJabalpurIndia

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