Microbiology: A Systems Approach
Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
Question
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Chapter 20, Problem 1CF
Summary Introduction

To determine:

The reason as to why Ebola is such a deadly virus.

Concept introduction:

Ebola virus is an RNA (ribonucleic acid) virus known to cause Ebola hemorrhagic fever or Ebola virus disease. Signs and symptoms of this disease include fever, muscle pain, sore throat, headache, diarrhea, followed by decreased function of kidneys and liver. Internal and external bleeding may also occur, ultimately causing the death of the infected individual.

Expert Solution
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Explanation of Solution

Early symptoms of Ebola include vomiting, fever, diarrhea, muscle pain, headache. This makes it difficult to diagnose the disease and it is mistaken for typhoid, malaria, cholera, and other diseases. The virus is deadly as there is a high risk of lethality in its infection.

Conclusion

Ebola is considered a deadly virus as there are higher chances of death in its infection.

Summary Introduction

To determine:

The reservoir of Ebola virus.

Concept introduction:

Ebola virus is known to cause Ebola hemorrhagic fever or Ebola virus disease. Signs and symptoms of this disease include fever, muscle pain, sore throat, headache, diarrhea, followed by decreased function of kidneys and liver. Internal and external bleeding may also occur.

Expert Solution
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Explanation of Solution

The exact reservoir of the virus is not known. It makes it difficult to detect antibodies formed against the virus. However, fruit bats are considered to the host of this virus. Only 3% of the fruit bat species are sampled to date and thus, it is really difficult to determine the exact reservoir of the virus.

Conclusion

The exact reservoir of the virus is still unknown.

Summary Introduction

To determine:

Transmission of Ebola virus.

Concept introduction:

Ebola virus is an RNA (ribonucleic acid) virus known to cause Ebola hemorrhagic fever or Ebola virus disease. Signs and symptoms of this disease include fever, muscle pain, sore throat, headache, diarrhea, followed by decreased function of kidneys and liver. Internal and external bleeding may also occur, ultimately causing the death of the infected individual.

Expert Solution
Check Mark

Explanation of Solution

Although Ebola is not a “successful” virus, it is a global concern because the virus is deadly and it spreads through direct contact with bodily fluids and contaminated fomites such as clothes or bed linens from infected individuals.

The virus can be transmitted between family members, caregivers at home, and also through contact with dead bodies. The virus can also be transmitted from infected patients to the medical staff. There were several cases in which physicians died after treating the patient. The exact reservoir of the virus is not known. It makes it difficult to detect antibodies formed against the virus.

Conclusion

Ebola virus is transmitted through direct contact with body fluids and contaminated fomites.

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