I am assuming that you are asking how a virus lives in the body.
A virus is NOT a live organism. It is able to penetrate the host's cells and duplicate the RNA/DNA within those cells and when those cells replicate, the virus also replicates, thus growing in numbers very quickly.
Viruses are difficult to kill since they are not considered living organisms. One way that might help is to denature the proteins that are living inside the cytoplasm of the virus.
Shingles are caused by the varicella virus, the same virus that causes chicken pox. Those who have had chicken pox when younger carry the dormant virus for the rest of their lives. Should the virus "reactivate" in an adult, the result is shingles.
A parasite is an organism that lives in or on another organism (the host) and benefits by deriving nutrients at the host's expense. A virus is a form of parasite.
It is called a host cell. The virus attaches to the cell and injects its DNA into the cell. The virus's DNA overruns the "instructions" that the cell has and "tells" the cell to make copies of the virus using the DNA. Then the cell makes so many copies of the virus, that it explodes. The new viruses then go on to attach to other cells.
A bacillus does not refer to the shape of a virus. The capsid of a virus is what determines the shape of a virus.
"virus"
That depends on the bacteria, the virus, and your definition of "living."
A virus will replicate within a host cell.
Its a virus - IF it lives at all it lives in cells.
that lives in your computer
that lives in your computer
Hepatitis A.
No
No. HIV is not a virus that lives in dogs.
A host.
A parasite is any organism that lives on or in another organism, not necessarily a fungus, virus or bacteria.
Shingles are caused by the varicella virus, the same virus that causes chicken pox. Those who have had chicken pox when younger carry the dormant virus for the rest of their lives. Should the virus "reactivate" in an adult, the result is shingles.
a tapeworm is neither, it is a living organism which lives in the intestine. but if any, it COULD be classed as a virus.