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Please answer the following regaring infections diseases/viruses:
a) Describe a chain of infection for how SARS-CoV-2 can be spread.
b) How does contact racing help stop the spread of a disease?
c) What recommendations do you have to improve the process of contact tracing?
Step by step
Solved in 2 steps
- b). Explain the significance of host-agent-environment in disease causation using SARS-CoV-2 infection as an example. (ii) How may the concept of natural history of disease pathogenesis provide an understanding of the difference between prevention and control of disease.d) As the Public Health Officer charged with the prevention and control of communicable diseases in the Local Council Area, state the principles you may consider in planning an action to prevent community transmission of the SARS-CoV-2 infection.Which of the following virulence factors among A-D is correctly matched with its definition or characterization? A) O Invasins: pathogen proteins that prevent opsonization of the pathogen B) O Phase variation: allows pathogen to switch between different forms of an extracellular antigen (e.g., flagellum) C) O Protein A. a microbial factor that allows for attachment, typically a surface protein or surface glycoprotein D) O Prevention of lysosome:phagosome fusion mechanism employed by an extracellular pathogen E) OM protein, Opa protein: enzymes that interfere with the functioning of antibodiesWhy is transmission of cytomegalovirus (CMV) through blood components not a significant risk to most recipients? Question 10 options: a) Most recipients are CMV-positive. b) Most recipients are CMV-negative. c) The CMV cannot tolerate cold storage temperatures. d) None of the above.
- A nurse is caring for a patient who is receiving intravenous (IV) therapy. Which action is essential for preventing infection? a) Changing the IV tubing every 24 hours b) Using sterile technique during IV insertion c) Monitoring the IV site for signs of infection d) Administering IV medications as prescribedA toddler is admitted to the pediatric unit with respiratory syncytial virus (RSV) bronchiolitis. The nurse anticipates implementing which isolation precautions? a) Contact precautions b) Droplet precautions c) Airborne precautions d) Standard precautionsThe purpose of an analytical study is toa) identify the person, place, and time of an outbreak.b) identify risk factors that result in high frequencies of disease.c) assess the effectiveness of preventive measures.d) determine the effectiveness of a placebo.e) None of the above
- Despite recommendations, outbreaks and patient notifications resulting from healthcare personnel failing to adhere to Standard Precautions and basic infection control practices continue to be reported Question options: A) True B) FalseWhat is an essential component of infection control in nursing care? A) Reusing personal protective equipment (PPE) to conserve resources B) Hand hygiene practices C) Limiting cleaning of high-touch surfaces D) Encouraging visitors regardless of their health statusWhat is the current proposed chain of infection for SARS-CoV2?
- A.) What four factors must be present for an infection to spread? susceptible B.) What is the source of infection? C.) What are the main routes of transmission?A.) The difference between direct and indirect contact infection? Example B.) Name methods for breaking down transmission routesInfection rates for many STIs continue to be highest among young people (typically defined as around 15–24 years old). What are some reasons for this? What would you recommend to increase prevention or encourage testing or treatment among this group?