They can kill you.
Emerging viruses
Viruses that are harmless to humans can be used to infect bacteria or other pests eg rabbits
Bacteria,fungi,or parasitic worms invade the human body.
Likely the human activity that is most closely associated with the emergence of viruses in humans is urbanization. The closeness caused the viruses to promulgate more efficiently than in communities where there not as many people.
Influenza virus (flu)rhinovirus (common cold)human immunodeficiency virus (HIV)Read more: What_are_some_viruses_that_are_harmful_to_humans
The same reason it is important for humans. It protects them from some diseases and viruses. Obviously not all though.
the viruses help the immune system adapt and get stronger
the flu...
Emerging viruses
Computer viruses are currently unable to spread to humans.
Just about anyone who gets the flu. Most of the influenza viruses that cause disease in humans are Type A influenza viruses (but not all). Type A flu viruses are also what cause pandemics in humans.
Some viruses target bacteria or fungi, which can be harmful to humans. These viruses are called "bacteriophages" or sometimes just "phages".
Yes, animals get viruses just like humans does it is a pathogenic disease that is transmitted by a molecule
Viruses that are harmless to humans can be used to infect bacteria or other pests eg rabbits
There are quite a few different dog viruses that are infectious to human beings. Other dog viruses die before they can infect humans.
There are no known phone viruses
probably...