The main reasons for the high prevalence of parasite infections in tropical and subtropical countries were increasing population density, poor sanitation conditions, poor public health practices, inadequate toilet facilities, contaminated food and water, malnutrition, low host resistance and environmental changes [6]. 11 июн. 2019 г.
What are the major factors that contributes to parasitic infection?
Specific factors influencing host–parasite associations are, among others, climate conditions, behavioral traits, host sociality, population density, diet, habitat, age, sex, host immunocompetence, supplementary feeding, and animal translocations (e.g., Cornell et al.
What is parasite prevalence?
Parasite prevalence (the proportion of infected hosts) is a common measure used to describe parasitaemias and to unravel ecological and evolutionary factors that influence host–parasite relationships.
What four factors influence the spread of a parasitic disease?
Epidemiological studies indicate that multiple factors influence a person's risk of infection and the spread of parasitic disease, including parasite pathogenicity, host health, environment, and social conditions.
What is the most common source of parasitic infection?
Contaminated food and drink are common sources for the introduction of infection into the body. The table below shows some of the more common parasitic infections that travelers can acquire from contaminated food and drink, as well as a few of the less common parasitic diseases that travelers are at risk for acquiring.
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