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Bacteria,fungi,or parasitic worms invade the human body.

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∙ 16y ago

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Related Questions

Do viruses infect other species beside humans?

Yes, they do.


How can viruses be helpful?

Viruses that are harmless to humans can be used to infect bacteria or other pests eg rabbits


True or false Emerging viruses normally do not infect humans but they can when humans disturb their habitat?

Yes that is correct.


What do viruses that cause physical diseases infect?

It depends on what kind of virus. Viruses can infect any cell in the human body. Viruses such as HIV infect the immune system; air-born viruses, such as H1N1 or a cold, infect the respiratory system; neurological viruses, like rabies infect the brain (the virus is usually carried to it by peripheral nerves); and viruses like polio effect the nervous system, which can create paralysis.


Dog Virus infectous to humans?

There are quite a few different dog viruses that are infectious to human beings. Other dog viruses die before they can infect humans.


Is the phage virus harmful to humans?

NO because it's tail fibers will allow it to land only on certain a kind of bacteria and not on human cells.


Are all viruses dangerous?

Not all but some do. If a person has a contagious virus then stay away from them. Some travel only buying eating raw meat or poisoned food or dirty water. Another science question d by the wizzo!


What does Caulimoviridae infect?

Caulimoviridea are retro viruses that infect plants.


Is there any specific name for a helpful virus?

No. Any and all viruses are parasitic. There may not be any helpful viruses, but there are certainly a large quantity of harmless viruses, which doesn't infect humans, but rather specific animals or plants.


What did the first viruses do?

Infect cells.


Are computer viruses alive and why or why not?

Computer viruses aren't living things. These are pieces of mal-ware created by humans to infect computers with infectiousness software. They cannot harm you in any way, but can destroy a computer.


Why can't dogs and humans get the same viruses?

Dogs and humans have different immune systems and cellular receptors, so viruses that can infect one species may not be able to infect the other. Additionally, genetic differences between species can affect virus transmission and replication within host cells.