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We discuss three acellular infectious agents in this module – viruses, prions and viroids. Infection by any one of these can have serious consequences to human health and/or economic wellbeing. In the event of an outbreak, it is important to be able to identify and contain these pathogens to avoid potentially deadly outbreaks. Your assignment is to choose one of the three infectious agents and consider the epidemiological features of your selection. By epidemiological features we mean: Can you characterize the causative organism? Where does the disease come from? Who is affected? How do they acquire the pathogen? What are the symptoms and risk factors? How is the disease dealt with once it is discovered in order to prevent its spread? You can choose one pathogen based on the general scenario described below.

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Tod ThielLv2
28 Sep 2019
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We discuss three acellular infectious agents in this module – viruses, prions and viroids. Infection by any one of these can have serious consequences to human health and/or economic wellbeing. In the event of an outbreak, it is important to be able to identify and contain these pathogens to avoid potentially deadly outbreaks. Your assignment is to choose one of the three infectious agents and consider the epidemiological features of your selection. By epidemiological features we mean: Can you characterize the causative organism? Where does the disease come from? Who is affected? How do they acquire the pathogen? What are the symptoms and risk factors? How is the disease dealt with once it is discovered in order to prevent its spread? You can choose one pathogen based on the general scenario described below.

For this assignment you now work for the United States Department of Agriculture’s Agriculture Research Service. You have been assigned to characterize a new epidemic that has spread rapidly at a farm in Montana. You arrive at the farm observe the livestock, crops and farm workers for signs of illness. You sample the fluids and tissue of several affected organisms and bring them to a state-of-the-art USDA laboratory for analysis. The outbreak is fictional but all the information – from the organism, to how it is acquired, to the symptoms it causes – should be legitimate for the infectious agent. I have intentionally left out these and other details in the scenario. You will fill in the details in your essay by addressing the following questions.

What is the affected organism (animal/plant/human or any combination)?

What are the symptoms exhibited by the affected organism(s)?

What is the pathogen that you have identified after analysis of the infected material?

How where you able to identify the agent in a laboratory?

Describe the etiology. How did the infection make its way to the farm?

Trace the fictional outbreak from its origins either locally, nationally or internationally.

Knowing how the infectious agent is disseminated, what recommendations do you make to the farm manager for containment and treatment of infected organisms?

Please visit the Excelsior Library to find at least 3 suitable citations to support the information you provide as you portray this outbreak.

Your essay should be 2-3 pages in length, double spaced in a 10-12 point font. Please be sure to cite all sources of information, including the text book, in the essay text and on a reference page using APA format. When you have finished your essay, attach it to the assignment drop box and submit it to your instructor.

Provides substantial and thoughtful response, reflection – in-depth and detailed for the following post. Please don't copy past from the web

Mumps was common in World War I many troop members caught this infectious disease which leads them to hospitalization. It is also important to remember that even those who are vaccinated are still at risk for developing mumps. Mumps is a highly contagious viral disease that has continued to spread globally. This viral infection affects the parotid glands which produces saliva and are located below and in front of your ears. If you or your child develops Mumps, it can cause swelling of one or both parotid glands. Mumps outbreaks were extremely common in the United States until vaccination became routine. Since then the number of cases has dropped significantly in the United States but is still a problem in other regions of the world.

Mumps is rarely life threatening illness, but it can cause a serious discomfort in those infected. The swelling of the parotid gland lasts over a week, and it can affect feeling in the jaw. Orchitis, or inflammation of one or both testicles, is commonly seen in male patients who have reached puberty but rarely causes sterility. Low-grade fevers, headaches, and general malaise are common complaints, with a small percentage of patients displaying symptoms of viral meningitis. Rare cases of mumps can cause infection of the brain, and inflammation of the covering of the brain and spinal cord. Other complications also include arthritis, kidney and pancreases problems, deafness, and inflammation of the ovaries.

Although there is no specific treatment for mumps, it can be prevented with the vaccine. The vaccine after exposure has not been found to be protective. However, only 120 countries have the vaccine for Mumps, and that leaves countries without it suffering and could lead to serious health problems. One country that does not have this vaccine is India, and there has been a rapid growth in Mumps over the years, and it is mainly affecting children. Mumps outbreaks or sporadic cases have been periodically reported from the States of Kerala, Maharashtra, Gujarat, Karnataka, Punjab, Tamil Nadu, Uttar Pradesh and West Bengal. India is very limited on information and data regarding mumps. The cost of the vaccine for India would offset the burden of this infectious disease.

China is one country that has a vaccination for mumps this came out in 2008 since then mumps have decreased. Except 2013-2015 a natural epidemic pattern of mumps has slightly changed making the vaccine less affective than before. During this period studies showed that mumps had decreased among teens/children and had increased in adults. These recent outbreaks have caused wide concerns regarding the vaccine and how affective it is.

In conclusion, mumps is a disease that has been around for decades. It also has the potential to have sporadic outbreaks, and it mainly affects children. In the emerging world, not all vaccines work because our bodies get used to the disease and also it can change naturally during the time. With the progression of modern technology, we can only hope that we find a way to prevent mumps altogether. Mumps is not the most serious disease, but it can cause pain and has the potential to be extremely dangerous.

Citations:

Burnett, M. (2017). An ongoing series.

Paul, S. (2017). Investigating Mumps Outbreak in Odisha, India: An Opportunity to Assess the Health System by Utilizing the Essential Public Health Services Framework.

A. C. (2017). Mumps Epidemiology and Mumps Virus Genotypes Circulating in Mainland China during 2013-2015.

QuestionGroup: #51 Innate immune 1

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Homework

51

What is the name of a chemical substance responsible for stimulating an immune response?

A

Pathogen

B

Rotomers

C

Antigen

D

Antibody

E

Troll receptor

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QuestionGroup: #52 Innate immune2

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52

What is the purpose of secondary metabolites produced by normal flora in your body?

A

To aid T cells in fighting local infection

B

To kill infected B cells

C

To help balance electrolytes

D

To inhibit adhesion, and growth of the certain microbes

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QuestionGroup: #53 Innate immune3

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53

The lysozyme removes most bacteria in our foods through the saliva in our mouth, how does it do this?

A

The lysozyme attacks the bacteria through the blood.

B

The lysozyme are not strong enough to get rid of bacteria.

C

The lysozyme breaks down the polysaccharide walls of different bacteria.

D

The lysozyme will tell your body to get rid of the bacteria by vomiting.

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QuestionGroup: #54 Adapt immune 1

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54

In adaptive immunology, the key component is which of the following?

A

Antigen trigger the the production of vaccines.

B

Antibodies will trigger responses in the antigen which will cause an inflamation.

C

Antigens trigger responses of the antibodies which will recognize the antigen.

D

Antibodies will be able to recognize other antibodies and destroy them.

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QuestionGroup: #55 Adapt immune2

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55

An autoimmune induced disorder is...?

A

When the body's immune system attacks a tissue or organ in the body

B

When the immune system is not present

C

When the body attacks the antigens and antibodies of the immune system

D

When the autonomic nervous system attacks the antigen and antibodies of the immune system

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QuestionGroup: #56 Adapt immune3

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56

Antibodies are also called immunoglobulins and constitute part of the blood proteins. How do antibodies work?

A

Agglutination-- they just clump with each other (blocking antigen)

B

Precipitation-- force insolubility and settled out of solution along with antigens

C

Complement fixation-- proteins attach to antigen surface (causing cell lysis)

D

Neutralization-- bind to specific sites to prevent antigen attachment

E

All of the above

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QuestionGroup: #57 Infectious disease

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57

The most deadly STD is HIV, but many other viruses can be deadly. Name the most common sexually transmitted infection.

A

Genital human parisis virus (GHPV)

B

Herpes Simplex

C

Human papilloma virus (HPV)

D

Human pappathe virus tentis (HPVT)

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QuestionGroup: #58 Infectious disease2

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58

Microbes have developed an array of weapons to be able to go from host to host. These virulent factors are divided into several groups, but one important group is the one produced by bacteria. Name the subgroups within this bacterial group.

A

Retretoxin and maitotoxin

B

Retretoxin and butotoxin

C

Endotoxins and exotoxins

D

Lipotoxin and exotoxin

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QuestionGroup: #59 Infectious disease3

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59

Sexually transmitted diseases are very successful at spreading from one person to another. Name one important reason for this fact.

A

Mucous membranes use B cells only and are resistant to antigens

B

Mucous membranes in the sex organs differ from those of the skin in that they allow certain pathogens into the body

C

STDs are transmitted through sex only

D

STDs are usually caused by viruses

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QuestionGroup: #60 HIV/ AIDS

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60

HIV has which of the following characteristics?

A

It has an enzyme called reverse transcriptase which causes the DNA to reverse the nucleotide sequence in messenger RNA.

B

It is a retrovirus meaning that it reverses the order of protein production in that the virus affects the DNA in the cell to make the protein.

C

It is an anti-retrovirus meaning that it attacks the DNA causing the development of new HIV particles.

D

It has a short incubation period which means that the symptoms show up also immediately after infection.

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