Depends what virus it is, some are deadly.
droplet infection
HIV is a harmful virus. The end stage of HIV infection is AIDS.
Any virus is harmful. Your question should be "Is (insert name of virus here) harmful?"
Yeast infection is caused by fungi, not by a virus.
TOBACCO MOSAIC VIRUS is harmful virus as it causes cancer and other lungs disease
The computer is subject to infection when you run attachments in e-mails from strangers, go to sites that contain malware, or run infected media. Do not download harmful materials, avoid suspicious sites, and install anti-virus protection.
A virus causes an infection. It is the actual file that causes the infection. An infection itself is the action or state of the computer's security being compromised by a virus or other malware.
Virus is most harmful
well its harmful to your computure
hidden virus is that virus which do not harmful for a host and which has no signs and symptoms.
All Microbes are not harmful. All virus are harmful. Some bacteria are harmful
The virus itself. Viruses get their way into a host cell (possibly one of the cells in your lungs, for instance) where they replicate themselves. The new virus bodies are released by the cell, and from there they may go on to invade other cells, of the same individual or another individual. The harbouring of virus bodies in this way is called infection. Many viral infections have little or no effect on us, so you may have one now without knowing it. By "infection", we normally refer to harmful virus infections. The immune system is a mechanism we have to protect from harmful viruses, as well as harmful bacteria, fungal infections and other foreign bodies.