Parasitic infestations such as giardiasis and amoebiasis have been considered to be possible mimickers of FGD; however, in that study, prevalence of these diseases was 1.8%, similar to several previous studies conducted in Sri Lanka [ 32].
Insect infestations such as web worms, bud worms, and pecan weevils can also have a serious impact on the health of the tree and the nut itself.
Food items subject to insect infestations, such as flour, should be regularly used up and replaced.
In most cases, parasitic infections are of foreign origin, except for some relatively common indigenous infestations such as enterobiasis (caused by the human pinworm, Enterobius vermicularis) and pediculosis (caused by the human head louse, Pediculus humanus).
All of these issues reinforce the need for alternative approaches to control tick infestations such as the use of hosts with natural resistance to ticks, pheromone-impregnated decoys for attracting and killing ticks, biological control agents and vaccines [ 6- 8].
Keep the dam's kennel free of infestations such as fleas.
All case-patients had predisposing risk factors for parasitic infestation, such as diabetes mellitus, immobilization, alcohol and drug use, or decreased immune status.
In the past century, eastern North America's forests have been significantly altered by exotic species infestations and pathogens, such as the Chestnut Blight (Anagnostakis 1987), Gypsy Moth (Liebhold and others 1995), Beech Bark Disease (Houston 1994), and Balsam Wooly Adelgid (Hollingsworth and Hain 1991).
Health and demographic data could be collected, along with environmental information about rainfall, droughts and locust infestations and economic information such as prices of cereal, milk and livestock.
The mobility of nomads acts as a protective factor against worm infestations and waterborne diseases such as cholera and hepatitis (Mocellin and Foggin 2008).
