Viruses (biological)

first it spreads to your nervous system. then it multiplies.

Not in the US, unless you are in jail getting the shot. They will ask you questions, though.

Hey there!

The contagious nature of a virus depends on whether they have a lipid bilayer or just a protein shell called a capsid as their outer layer, from what I remember.

Viruses with lipid bilayer can be eliminated from surfaces easily with soaps, detergents and other cleaning agents, for example, influenza/flu virus. But they can probably last less than a day, I think? To me, they can't survive high temperatures and can get damaged by UV radiation as well.

Whereas viruses with a capsid, like poliomyelitis virus, can stay longer on a surface. Some specialised cleaning agents can eliminate some of these kinds of capsid viruses though. Otherwise, they seem pretty tough, in my opinion.

I tried my best to answer this question and hopefully, this helped you! 😄

The rabies vaccine was developed by Louis Pasteur in 1885, derived from the nerve tissue of infected rabbits

All viruses naturally have capsids that surround the nucleic acid in the central core. When they are just in this form and don't contain an envelope, they are known as naked viruses. Members of 13 of the 20 families of animal viruses possess an additional covering external to the capsid called an envelope. This envelope is a modified piece of the host's cell membrane.

Canine influenza has many of the same symptoms in dogs as influenza does in humans: sneezing, runny nose, watery eyes, a cough, muscle and joint aches (usually seen as a decrease in energy and more laying around/sleeping), and a fever.

Also like in humans, the vast majority of dogs will recover on their own given a warm place to sleep and good quality food and water.

Hello there!

Shingles is a disease caused by a reactivated varicella-zoster virus, the one responsible for chickenpox and it belongs to the herpesvirus superfamily where all of them are DNA viruses.

Thank you for the question! 😄

There was no treatment. You would have to hope for the best and try the herbs prescribed by the old lady down the street.

Calm down, its just a flu i highly recommend to put hot sauce in his soup. Its not a joke. Put cloths that have been dipped in alcohol and put it on his forehead and stomach. (cloth should not be damp). Drink a lot of cranberry juice. Have him take some medicine. If this doesnt work wait a few hours and take get him medical help.

They are like cockle burrs that "grab" hold of your clothing or a dog's coat. They are hijackers. Once they get attached to the cell of a living cell, they can take it over and "make" the living cell produce virus particles instead of cell parts. These particles can assemble into more viruses and then they break out of the cell (killing it) and begin the process again. They cannot make more viruses on their own. This hijacking causes various diseases because the cells can't do their job.

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yeah, viruses are smaller then bacteria .

both of these are small and cannot be spotted by the naked eye.

bacteria - they are single-celled organisms that can replicate themselves (duplicate themselves)

viruses - in contrast, contain a piece of genetic material that is encapsulated by a protein coat (protected by a protein coat).

by the spikes made of protein which are inserted into the lipid membrane of the cell.

Yes.

A virus must have a host cell (bacteria, plant or animal cell) in which to live and make more viruses. Outside of a host cell, viruses cannot function.

So if you sneeze on a park bench, the virus will most probably die in a few minutes (depending on environmental conditions- some viruses have been known to stay alive on a park bench for up to 2 hrs), but if you sneeze on a persons face and the moist air is inhaled through your nose or mouth, or even a break in the skin, the virus has a direct pathway- from substance to substance- to pass on and thrive.

Ebola would be an epidemic. The difference between a pandemic and an epidemic is the population size and locality of infection. An epidemic is a greater than normal amount of infection in a particular area or when infection occurs in an area that isn't normally associated with a certain disease. A pandemic is when the epidemic reaches to world wide proportions.

The virus tries to match the recognition glycoprotein on the outside of the cell it is trying to invade, for docking purposes, or for entry purposes. Generally the membrane that covers this type of virus was taken from a cell it lysed on exit.

Symptoms start two days to three weeks after contracting the virus, with a fever, sore throat, muscle pain, and headaches. Typically nausea, vomiting, and diarrhea follow, along with decreased functioning of the liver and kidneys.
Around this time, affected people begin to bleed both within the body and externally. Prolonged cases are often complicated by the occurrence of long-term problems, such as inflammation of the testicles, joint pains, muscle pains, skin peeling, or hair loss. Eye symptoms, such as light sensitivity, excess tearing, iritis, iridocyclitis, choroiditis, and blindness have also been described.

Some viruses are very specific to certain cells. The cell has proteins on it's surface and a virus will use it a docking station to be able to enter the cell. Some cells don't have that protein and the virus can not enter the cell.

== == Rabies is a deadly disease that works very very fast and pretty much kills all those it infects. There is no cure.

If you or somebody you know has been bitten or even scratched by a wild animal, it is very important to visit the doctor immediately. Try to remember the animal's looks and location so you can describe it to the authorities.

If you have been bitten by a domestic animal you are not 100% familiar with - a neighbor's dog, for instance - find out the dog's shots history and see a doctor and make sure you get a tetnis shot.

The answer to whether HIV gram-stain positive or negative is that HIV gram-stain is negative. They retain the light red or pink color after the stain.

In the 106 to 110 countries that it is found in, perhaps 5%.

Stress in the host cell

A virus feeds off its host cell, and a parasite is an organism that feeds off another organism.. hmmm sounds like to me they are similar. like the words "chips" and "french fries" :-)

Saying a virus "feeds" off its host cell is inaccurate. It injects its own DNA into a host cell, thereby destroying the host cell and creating more viruses. There really is no similarity between viruses and parasites.