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.

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

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.
The exact reservoir of the virus is still unknown.
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.

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.
Ebola virus is transmitted through direct contact with body fluids and contaminated fomites.
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Chapter 20 Solutions
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