Yes. If not, medicines to kill them wouldn't be effective.

Bacteria certainly do - there are viruses called bacteriophages which attack them. I think it would be difficult to see how a virus could be "sick". It can be attacked and destroyed, but it has no internal metabolism to malfunction and cause sickness, unlike a bacterium.

Hope so.

1) "There are two main types of viral replication: lytic and lysogenic. Lytic phages, or “virulent” phages, replicate by inserting DNA or RNA into a bacterial cell and using those genetic materials to “reprogram” the cell to produce new virus particles by using its DNA replication and protein assembly machinery. When the new particles are complete, the cell is burst (“lysed”) and the new viruses escape. Lysogenic phages replicate more surreptitiously, injecting genetic material into the host cell, which incorporates itself into the bacterial genome. This inserted section of viral DNA, called a “prophage,” can lie dormant for some time and be passed along to all a bacterium’s descendants, often without harming the cell. If the infected cells are subjected to stress, usually from DNA damage due to poisoning or radiation, the prophage can be “induced” by a complex sequence of biochemical pathways and the cell enters the fatal lytic cycle." "The answer to: “Are viruses important in terms of bacterial mortality?” was clearly yes." Source and further information: "Bacteria Get Sick Too" http://www.dogstreetjournal.com/story/4333 "A bacteriophage (from 'bacteria' and Greek φάγειν phagein "to eat") is any one of a number of viruses that infect bacteria. The term is commonly used in its shortened form, phage. Typically, bacteriophages consist of an outer protein hull enclosing genetic material. The genetic material can be ssRNA, dsRNA, ssDNA, or dsDNA ('ss-' or 'ds-' prefix denotes single strand or double strand) between 5 and 500 kilo nucleotides long with either circular or linear arrangement. Bacteriophages are much smaller than the bacteria they destroy - usually between 20 and 200 nm in size. Phages are estimated to be the most widely distributed and diverse entities in the biosphere." Source and further information: http://en.wikipedia.org/wiki/Bacteriophage Remark: an organism which consumes bacteria, on the other hand, is called bacterivore: http://en.wikipedia.org/wiki/Bacterivore 2) "Even viruses can go down with a viral infection, French scientists reported on Wednesday, in a discovery that may help explain how they swap genes and evolve so rapidly. A new strain of giant virus was isolated from a cooling tower in Paris and found to be infected by a smaller type of virus, named Sputnik, after the first man-made satellite. Sputnik is the first example of a virus infecting another virus to make it sick. Bernard La Scola and colleagues from the Universite de la Mediterranee in Marseille reported in the journal Nature that Sputnik was able to achieve a remarkable degree of gene mixing by "looting" genes from its host virus and other organisms. Viruses are already known to infect and sicken bacteria but this is the first example of a virus infecting one of its own kind. The finding may shed light on how viruses mutate so quickly -- a feature that can make them difficult to tackle with drugs and vaccines. It also lends weight to the argument that viruses are true living organisms, despite not having cells. "There's no doubt this is a living organism. The fact that it can get sick makes it more alive," said Jean-Michel Claverie, a virologist at the CNRS UPR laboratories in Marseilles." Source and further information: http://www.reuters.com/article/healthNews/idUSL535179020080806 Further information: http://en.wikipedia.org/wiki/Sputnik_(virus%29

if they do then I wonder what kind of co-pays do they have..................

May be they are getting sick in infecting humans!

Bacteria get sick by infection with viruses called bacteriophages. Viruses themselves are too small and simple to 'get sick' -- they have no metabolism and are usually not considered living organisms. I wouldn't describe the destruction of a virus (heat or chemicals) as 'making it sick', though there's a sense in which bacteria briefly become 'sick' due to antibiotic poisoning before cellular death occurs.

bacteria can get infected by virus' but virus' aren't alive so technically they cannot get sick just simply destroyed.

They must because they to can die.

Of course. Any living gets sick

In fact Bacteria get sick from viruses called " Bacteriophage" See the pictures and the link http://en.wikipedia.org/wiki/Bacteriophage As for viruses No! I don't want to make it complicated, this is simply Need more ??