Ebola Flashcards

To pass this class.

1
Q

Tell me about ebola’s structure.

A

In the filoviridae family. RNA virus with an unusual structure. Thread-like.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is ebola’s mortality timeframe?

A

7-14 days after infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does EHF stand for?

A

Ebola Hemorrhagic Fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the highly pathogenic subtypes of ebola?

A

Ebola-Zaire, Ebola-Sudan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When and where did the first ebola outbreak happen?

A

Between June and November 1976; Sudan and the Democratic Republic of the Congo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How is the ebola virus transmitted?

A

Direct contact with blood, organs, or other bodily fluids of infected persons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the three routes human-to-human transmission can occur?

A
  1. Close family contacts or caregivers in households
  2. Burial ceremonies where mourners have direct contact with the sick
  3. Transmission in hospital settings
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are hospital acquired infections of ebola called?

A

Nosocomial transmissions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the symptoms of ebola?

A

Fever, headache, joint and muscle aches, sore throat, weakness, diarrhea, vomiting and stomach pain, rash, red eyes, hiccups, internal and external bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does EVD stand for?

A

Ebola virus disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ebola infects ___ primarily in the liver.

A

Macrophages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ebola infection in the liver may be the most important cause of ___ ___.

A

fluid loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How does ebola cause mortality?

A

The pathogenesis of the virus is tied closely to triggering vigorous inflammation to the infection.

After infection, there is a period of markedly profound rapid viral replication.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s the immune response to ebola?

A

The adaptive immune response is activated; significant antibody responses from IgG. Passive transfer of IgG antibodies form people who recovered from Ebola was shown to be beneficial to people with active infection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The new Ebola-VSV vaccine induces what protective antibodies?

A

IgG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The ebola outbreak of 2014 started in…

A

Guinea.

17
Q

What was the outbreak strain of ebola in 2014?

A

Ebola-Zaire

18
Q

What was the mortality of ebola in West African in 2014-2015?

A

40%

19
Q

When did WHO declare the end of ebola virus in Guinea and Liberia?

A

June 2016

20
Q

How does the live vector vaccine for ebola work?

A

GP (P-glycoprotein) protein is inserted into VSV viral backbone and replaces the VSV envelope protein. Immunization results in protective IgG antibodies to Ebola GP.

21
Q

What are ebola’s animal reservoirs?

A

Fruit bats (primary), chimpanzee, gorillas, antelopes