What are harmful germs?




Some bacteria cause diseases in humans such as cholera, dysentery, pneumonia, syphilis, tuberculosis, typhoid, and white sun. 
Bacteria enter the body through natural holes, such as nose, mouth, or wound, or are transferred to humans through air, food, and water.
Harmful germs destroy healthy cells, making the body unable to function properly.
Some bacteria make toxins that cause diphtheria tetanus, etc.
Toxins are produced by living germs, but some are released after they die.
The food poisoning, called botulinum toxin, causes the germs in the decayed canister to form a gene.  Even bacteria that usually do not live in the body can cause disease when people lose their resistance to disease.
Anthrax is a bacterial disease that occurs in many animals, especially cattle and sheep.
Burn disease in apple trees and pear trees The rotting disease that causes some fruits and vegetables to decay is a bacterial disease
Also, many plants cause a disease that makes a lump called root cancer.


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