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What are the virulence factors of Salmonella typhi? Explain each factors in simple terms.
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- What is the primary virulence factor for Streptococcuspneumoniae?What are the portals of entry AND exit of salmonella Typhi? (specific body parts – name both portals)14) When considering virulence factors, which class of virulence factor would be most likely to increase the severity of disease caused by the pathogen possessing the virulence factor, due to this class of virulence factor most likely causing the death of cells? A) extracellular enzymes C) anti-phagocytic factors B) toxins D) adherence factors 15) Which of the following classes of virulence factor is absolutely needed for nearly every infection? In fact, if the organism lacks this factor, it is most likely going to be avirulent (not disease-causing). A) extracellular enzyme B) adherence factor D) anti-phagocytic factor C) exotoxin 16) Which of the following is an iron-binding protein produced by pathogens to access the body's store of iron? A) ferritin B) siderophores C) hemolysin D) transferrin 17) The complement cascade and its by-products contribute to A) attracting phagocytes to sites of infection. B) triggering release of interferons. C) triggering inflammation. D) triggering…
- Explain how the body (including cells, organs, organ systems) is affected by the bacterium called Neisseria meningitidis? Are there any long-term effects caused by the bacterium, even after recovery?How is salmonella typhi transmitted? Include ALL the mechanisms can be transmitted. indirect transmission (airborne, vehicles, vectors – what are the vehicles/vectors?) direct transmission (direct contact – how?) vertical transmission – how? horizontal transmission – how?explain the public health measures that governments can undertake to stop the spread of the Neisseri meningitidis?
- What is Salmonella typhimurium ?The parents of a 3-day-old male neonate are concerned by their child's condition. The child is irritable, has fever and blisters over most of his body, and peeling skin as seen in the attached image. Which of the following virulence factors produced by the most likely causal agent is responsible for this condition? Answers A - E A Alpha-Toxin B Beta hemolysin C Exfoliative toxin D Pyrogenic exotoxin E Toxic shock syndrome toxin O Question #6 attachment O .0Discuss the following virulence factors: collagenase, hemolysin, siderophore. For each, explain the molecules involved, the pathogen-host interaction, and name a species and disease associated with each factor.