Indtoduction - Ectoparasites
6 important questions on Indtoduction - Ectoparasites
What roles do arthropods have in human health?
2. Endoparasitosis
3. Poisoning
4. Allergic reactions
5. Nuisances
6. Delusory parasitosis
7. Vector for disease agents
What are global trends in vector-borne diseases?
2. West Nile rapidly spread since 2000, recently found in NL
3. Chikungya 2005/2006 rare high number on small island
4. Plague still occurs in eg Madagascar, transmitted by flea
How does a mosquito bite work?
2. Feeding channel and small channel connected to salivary glands
3. Saliva contains ~20 polypeptides that contain anti-coagulants, makes it easier to suck up blood. We are allergic to this so IgG and IgE + histamine + bradykinine
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How is the basic reproductive number made up?
It included eg transmission coefficient from vector to and from vertebrate, biting habit, incubation period and host recovery rate.
What are barriers when the pathogen ends up in vector?
2. Vector responses: micro-encapsulation, melanization, antibacterial peptides, RNAi, innate immunity
Which vector control strategies are there?
2. Biological control (animals to kill target, eg entomopathogenic fungi)
3. Biological manipulation (solar-powered and odour-based mosquito traps)
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