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Yes. By definition pathogens are disease causing agents.

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13y ago
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8y ago

No, not all bacteria are pathogenic.

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11y ago

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Q: Are all bacteria harmful to humans?
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Related questions

How much percent of bacteria are harmful?

Only 1% of bacteria is harmful to humans


How does bacteria affect human health?

Some bacteria are beneficial to humans, and some bacteria are harmful to humans.


Why all bacteria harmful or why no?

Bacteria may be harmful or helpful to humans. Some bacteria may cause lethal diseases when infecting humans, whereas others may be necessary to help maintain optimal health in humans (such as those in the small intestine which produce Vitamin K). Other bacteria help us with the production of various foods (cheese) and beverages (beer and wine).


What kinds of bacteria are harmful?

not all the bacteria harmful. bacteria that are harmful is i dont know sorry. have a nice DAY!!


Are pathogenic bacteria benificial or harmful to humans?

The word pathogenic means disease causing. So they can be harmful...but some pathogenic bacteria only are harmful to plants or dogs or cats, etc.


Are microbes harmful?

All Microbes are not harmful. All virus are harmful. Some bacteria are harmful


Is penicillian harmful to humans?

no, its an anti-biotic that kills most bacteria.


Is bacteria in compost harmful?

Probably to humans, I wouldn't eat dead leaves. Well yes you wouldn't eat dead leaves but in an eco way they are helpful.


Do humans use bacteria to synthesize drugs?

yes. some diseases such as cancer can be cured with harmful bacteria.


Is intestinal bacteria harmful?

There are some bacteria that can cause intestinal disease. All humans have bacteria in their intestine but the bacteria is a good thing. One of the most prevalent bacteria in the human GI tract is E. coli. There are different strains of E. coli and not all of them are pathogenic. The bacteria inside the human GI tract is "normal Flora" and is beneficial to humans.


What organisms are bacteria harmful to?

There are harmful to all organisms, but some bacteria are helpful in many ways.


What makes some bacteria harmful?

some bacteria produce toxins in their metabolism which is harmful for humans. if you have used antibiotics, the normal, good, bacteria that live in your body can be replaced by a pathogen, which will make you sick.