An estimated 62% of known human pathogens are of zoonotic origin and 75% of emerging infectious diseases have been identified as zoonotic in origin. Of at least 181 known zoonotic diseases, 63% have been reported in the Philippines and many of them are parasitic in origin. Multiple host species are involved in transmission of zoonoses including wildlife, companion animals, livestock and fish, as well as countless human behavioral risk factors that increase human exposure to zoonotic diseases. 

Parasite zoonotic diseases often have complex causes that span biological, environmental, social, and economic factors. An integral part of prevention and control of these zoonotic diseases is based on early detection, epidemiological investigation, multidisciplinary collaboration and the development of advanced diagnosis and surveillance tools, including the use of mathematical modelling and molecular biological methods.  An interdisciplinary approach from various fields, such as epidemiology, public health, sociology, environmental science, mathematical modelling, etc. allows collaboration and development of a more comprehensive understanding of disease dynamics. By combining knowledge and tools from different disciplines, we enhance our understanding of the transmission dynamics between animals and humans, thereby enabling us to address the health challenges in a more effective and informed manner. Embracing an interdisciplinary approach is essential for improving disease control efforts, enhancing public health, and promoting better overall health outcomes.

This lecture will attempt to describe the concept of parasite epidemiology, and provide concrete examples of how the application of appropriate interdisciplinary designs can help elucidate aspects of the epidemiology and transmission patterns of parasitic zoonoses.