Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 38.1, Problem 2RIA
Summary Introduction
To determine: The course and symptoms of infection of influenza virus.
Introduction: Influenza virus is the most common form of the viral disease, which is highly contagious and spread from one individual to the other through a variety of means like infected objects, coughing, sneezing, and so on.
Summary Introduction
To determine: The reason for the difficulty in developing a single flu vaccine.
Introduction: The flu virus has a large number of strains based on the presence of two surface proteins called the hemagglutinin (H) and neuraminidase (N). The flu strains are based on the different types of these two surface proteins. The most familiar of them are H1N1 strain.
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Chapter 38 Solutions
Prescott's Microbiology
Ch. 38.1 - Prob. 1MICh. 38.1 - Why is it thought that the characteristic rash is...Ch. 38.1 - Prob. 3MICh. 38.1 - Prob. 1RIACh. 38.1 - Prob. 2RIACh. 38.1 - Prob. 3RIACh. 38.1 - Prob. 4RIACh. 38.1 - Prob. 5RIACh. 38.1 - Prob. 6RIACh. 38.1 - Prob. 7RIA
Ch. 38.1 - Prob. 8RIACh. 38.3 - Prob. 1MICh. 38.3 - Prob. 2MICh. 38.3 - Prob. 1RIACh. 38.3 - Prob. 2RIACh. 38.3 - Prob. 3RIACh. 38.3 - Prob. 4RIACh. 38.3 - Prob. 5RIACh. 38.3 - Prob. 6RIACh. 38.3 - Prob. 7RIACh. 38.4 - Prob. 1RIACh. 38.4 - Prob. 2RIACh. 38.4 - Prob. 3RIACh. 38.4 - Prob. 4RIACh. 38.5 - Prob. 1MICh. 38.5 - Prob. 1RIACh. 38.5 - Prob. 2RIACh. 38.5 - Prob. 3RIACh. 38.6 - How are prions different from viruses? How are...Ch. 38.6 - In what way are spongiform encephalopathies...Ch. 38 - Prob. 1CHICh. 38 - Prob. 2CHICh. 38 - Prob. 3CHICh. 38 - Prob. 4CHICh. 38 - Will it be possible to eradicate many viral...Ch. 38 - Prob. 6CHICh. 38 - In 2005 a reconstructed influenza virus containing...Ch. 38 - Chronic wasting disease (CWD), a prion disease...Ch. 38 - Prob. 9CHI
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- Define Influenza virus also state its causes.arrow_forwardDescribe the life cycle of influenza virus. What function do the neuraminidase and haemagglutinin glycoproteins serve? Also give an explanation on the changes in the influenza virus that make it difficult to develop a vaccine.arrow_forwardMake an outline about the mechanism of influenza virus type c and d and explain it in detail.arrow_forward
- describe the steps of a lytic infection typical to a dna virus like herpes simplex virus. in simple terms pleasearrow_forwardState and explain in detail the Mechanism of influenza virus types C and Darrow_forwardWhat type of antiviral drugs are used for influenza virus infection? How does it work the drug?arrow_forward
- Briefly describe how herpes simplex viruses (HSVS) establish life-long chronic infections, sometimes recurring after several years of being dormant.arrow_forwardExplain why antibacterial drugs are not effective againstvirus infections.arrow_forwardState an example of a virus from the following viral families and describe the infection it causes. Parvoviridae, Adenoviridae, Orthomyxoviridae, Hepadnaviridae, Coronaviridae, Bunyaviridae, Filoviridae, Picornaviridae, Rhabdoviridae, and Retroviridae.arrow_forward
- a. During which stages of an infectious disease does the host exhibit signs and symptoms? Is there a correlation between this and when a disease is communicable? b. Why are some viral diseases, like smallpox and polio, no longer seen in the United States? Why are many bacterial disease, like syphilis, no longer a death sentence? Think about how these two types of microbes infect humans. Why might we make an effort to treat viral diseases before infection but continue to treat bacterial diseases after infection? c. Based on the graph below, which pathogen is more virulent: Agent 1 or Agent 2? Explain. 100 Agent 1 LD5 = 400, Agent 2 LD50 = 600 25 100 200 300 400 500 600 700 800 900 1,000 Dose (organisms administered per animal) Percent mortality 75arrow_forwardDefine meningitis.Compare and contrast between bacterial and viral meningitis including treatment for each. What is a prion? Describe the impact prionshave on the human brain and discuss two prion-associated diseases in humans: What is a vector-borne (vector transmitted) disease? Give an example of a vector borne disease and the vector responsible for causing it:arrow_forwardWhich link in the chain of infection is the intervention described below meant to break? "N95 respirators reduce the wearer's exposure to airborne particles, from small particle aerosols to large droplets. N95 respirators are tight-fitting respirators that filter out at least 95% of particles in the air, including large and small particles." (https://www.cdc.gov/coronavirus/2019- ncov/hcp/respirator-use-faq.html) Portal of entry Means of transmission O Infectious agent Susceptible hostarrow_forward
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