Does Dengue virus cause convalescent antibodies?
Homework Answers
Ans) Following primary dengue infection, relatively specific neutralizing antibodies are detected in early convalescence.
- Following second- ary dengue infections, high-titre neutralizing antibody is produced against at least two and usually all four dengue virus serotypes, as well as against other flaviviruses.
- IgM antibodies become detectable 3 to 7 days following infection and may remain detectable for up to 6 months or longer following disease resolution.
Which of the following viruses does not cause a hemorrhagic fever? A cytomegalovirus B dengue virus...
Which of the following viruses does not cause a hemorrhagic fever? A cytomegalovirus B dengue virus C yellow fever virus D ebola virus Yellow fever is so named because: A it may be accompanied by jaundice. B it is transmitted by a yellow mosquito. C the virus appears yellow when observed under the electron microscope. D the virus produces fever blisters containing a yellow fluid.
Does Dengue fever or Zika virus reduce white cell numbers?
Does Dengue fever or Zika virus reduce white cell numbers?
Tom A: Acute IgG=64; Convalescent IgG=256 Does Tom have a current (or very recent) Dengue infection?...
Tom A: Acute IgG=64; Convalescent IgG=256 Does Tom have a current (or very recent) Dengue infection? Why or why not?
What are the differences between Zika virus and Dengue fever?
What are the differences between Zika virus and Dengue fever?
Infection by Streptococcus pyogenes can lead to the production of cross-reactive antibodies that cause autoimmune damage...
Infection by Streptococcus pyogenes can lead to the production of cross-reactive antibodies that cause autoimmune damage to heart valves, joints and kidneys. This complication is known as: Dengue fever Diphtheria Rheumatic fever Scarlet fever Shingles
Part 1 (1 point)See Hint The virus particle is coated in antibodies, but underneath those antibodies is still a viable p...
Part 1 (1 point)See Hint The virus particle is coated in antibodies, but underneath those antibodies is still a viable pathogen. Why do we NOT have to worry about this virus infecting our cells anymore? Choose one: A. The antibodies are blocking the viral pores so it cannot absorb nutrients from its environment. This will eventually kill the pathogen. B. The antibodies will stimulate a pathway that will cause the virus to self-destruct. C. The antibodies cover the parts of...
3. Read the paragraph below about Dengue Fever and answer the following questions Dengue is an...
3. Read the paragraph below about Dengue Fever and answer the following questions Dengue is an acute infectious disease with clinical symptoms of high fever, severe headache, backache, joint pains, nausea and vomiting, eye pain, and rash. It is caused by any one of four closely related flavi-viruses and transmitted to people by the bite of an Aedes mosquito that is infected with a dengue virus. The mosquito becomes infected with dengue virus when it bites a person who has...
In the case of Rous Sarcoma virus, how does the virus cause cancer? Towards the end...
In the case of Rous Sarcoma virus, how does the virus cause cancer? Towards the end of his career Rous was very influential in the scientific community and he personally drove the accepted wisdom of the time that all cancers have a viral origin. Was he correct? Why or why not?
1. The primary host cell targets of Dengue Virus (DENV) are macrophages and dendritic cells. Discuss...
1. The primary host cell targets of Dengue Virus (DENV) are macrophages and dendritic cells. Discuss how Fc? receptors may contribute to the proliferation of infection in host cells, and state what type of hypersensitivity reaction this would represent.
A test for the presence in the blood of antibodies to HIV, the virus that causes...
A test for the presence in the blood of antibodies to HIV, the virus that causes AIDS, gives a positive result with probability about 0.004 when a person who is free of HIV antibodies is tested. This is called a false positive. A clinic tests 5000 people who are all free of HIV antibodies. What is the probability that between 10 and 15 people in this sample will receive a false positive reading?
Infection by Streptococcus pyogenes can lead to the production of cross-reactive antibodies that cause autoimmune damage to heart valves, joints and kidneys. This complication is known as: Dengue fever Diphtheria Rheumatic fever Scarlet fever Shingles
3. Read the paragraph below about Dengue Fever and answer the following questions Dengue is an acute infectious disease with clinical symptoms of high fever, severe headache, backache, joint pains, nausea and vomiting, eye pain, and rash. It is caused by any one of four closely related flavi-viruses and transmitted to people by the bite of an Aedes mosquito that is infected with a dengue virus. The mosquito becomes infected with dengue virus when it bites a person who has...
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