During the SARS outbreak in 2003, many became ill. According to Source B, 8,098 people throughout the world became sick, to an unknown source, 774 of which died. Finally, with precautionary measures, the US Department of Health and Human Services banned the import of civets. Civets, small catlike animals, were thought to be the main suppliers of the SARS disease. The more a person is exposed to the carriers of SARS, the more likely he or she is to become immune with it. (Dybas) The interaction the disease had with not only the carriers, but to another species, humans, and an international outbreak. How could something as small as a respiratory illness travel from continent to continent? Boats, planes, ships, and every other form of transportation of course. The greater the transportation, the higher the risk is for a spread of an unwanted disease, therefore why many cringe at the soul fact of invasive species introduced to new environments.
Not only is transportation a key consideration to invasive species, but the predators the will have to face while becoming accustom to their new region. As expresses in Source F, cane toads became a major