17 Answered Questions for the topic virology

09/24/21

Possible origin of viruses
Comment on the possible origin of viruses. Is it not curious that the human cell welcomes a virus in and hospitably removes its coat as if it were an old acquaintance?
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Virology Microbiology

03/16/21

Which of these, according to the Baltimore system of virus classification, is incorrect Select one:1. Class I: SSDNA 2. Class III: dsRNA 3. Class IV: (+)SSRNA 4. Class V: (-)SSRNA 5. None of the above
Viruses morphology and ultrastructure.  Cell cultures in virology.Serologic reactions used in virology. 
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Virology Microbiology

03/16/21

What is the term given to the DNA intermediate that is intergrated into the host DNA using intergrase? Select one: pre-DNA provirus postvirus virion negative factor
Viruses morphology and ultrastructure.  Cell cultures in virology.Serologic reactions used in virology. 
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09/29/19

HIV and it's Reproductive Cycle
Hello,I am wondering about HIV and it's reproductive cycle. Is it Lysogenic that subsequently goes through and Lytic cycle? I am wondering if it goes through induction.
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07/19/19

Why is rabies incurable?
I'm still not sure about the mechanics that lead to rabies being incurable. I know that it can be treated before any symptoms show up, but why is it that once symptoms show the person is a dead man... more
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07/15/19

Can a vaccine or antidote be administrated via gases or sprays?
On TV or in movies a gas or spray containing a vaccine/cure/antitoxin is released and everybody is saved. Is this something plausible in real life? Specific examples would be appreciated.
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06/16/19

How does hypochlorous acid inactivate viruses?
I was reading how bleach was used very widely as a disinfecting agent during the 2014 West Africa ebola outbreak and am interested in the mechanisms with which hypochlorous acid inactivates... more
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05/09/19

Are homozygous carriers of the CCR5-Δ32 allele fully immune to all known strains of HIV?
Or is there documented evidence of even one homozygous carrier contracting HIV and staying infected?
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05/07/19

Can viruses be toxic?
Bacteria can produce toxins like endotoxins and exotoxins. In diseases like cholera or tetanus they can harm infected people due to these toxins. Now, although viruses are much smaller and are... more
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05/07/19

Can Biologists identify all viruses?
I went to the doctor today with my girlfriend, and the doctor said that she had a virus but doesn't know which one and she should let the infection heal with some rest. The fact that the doctor... more
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05/07/19

Can Biologists identify all viruses?
I went to the doctor today with my girlfriend, and the doctor said that she had a virus but doesn't know which one and she should let the infection heal with some rest. The fact that the doctor... more
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Virology Pharmacology Virus

05/05/19

Can we develop a nucleos(t)ide analogue to cure rabies?
Nucleos(t)ide analogues have been successfully used to treat HIV, HBV and HCV. Since rabies virus is also a RNA virus that uses RdRp to replicate. If we develop an nucleos(t)ide against its RdRp,... more
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04/29/19

How heavy are all foreign microorganisms in and on the human body?
I define "foreign microorganism" as a microorganism which is not produced by the human body (not antibodies or leukocytes) including bacteria, viruses, fungi, biofilm aggregates or small lifeforms... more
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04/22/19

How to understand influenza strain designations?
What do the strain designations for flu mean? For example avian flu is classified as `H5N1`, what do the letters `H`, `N` and numbers `5`, `1` mean? Is it more than a simple string-identifier?
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Virology Microbiology

04/21/19

Viruses are exceedingly small and round and simple with few genes, with the exception of which of the following?
Choose at least one answer: a) Phycodnaviruses of algae, b) Smallpox viruses with a brick shape, c) Ebola with very extended filaments, d) Small round viruses of diarrhoea
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Virology Microbiology

03/19/19

For how long would a flu-contaminated parcel be an effective disease vector?
A parcel has been delivered and **contaminated** by a person who has the flu. For how long would the parcel be an effective disease vector?
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03/18/19

What causes a 'stuffy' or 'runny' nose when you have a cold?
When humans get the common cold, a common symptom is a stuffy or runny nose. Is that the body's immune response or is that the virus's doing?
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