Bacterial parasites that cause disease are called pathogens. Among bacterial plant diseases are leaf spot, fire and season; animal diseases caused by bacteria include,,,, and. Some bacteria attack the tissues directly, while others produce poisonous substances called toxins. Natural defense against harmful bacteria, provide antibodies (see
). Some bacterial diseases, e. city, Tetanus can be prevented by the introduction
or serum containing antibodies against specific bacterial antigens, immunity to some can be caused by certain bacteria and parasites are killed. New strains of more virulent bacteria, many of them are resistant to antibiotics that have emerged in recent years. Many believe that this is due to the excessive use of antibiotics as a prescription for minors, and self-limiting diseases, such as growth enhancers in livestock; such excessive increases the likelihood of bacterial strattera price mutations. For example, the option is usually harmless >> << caused serious illness and death of the victim. See also. Encyclopedia Columbia Electronic,
6th ed. Copyright 2007, Columbia University Press. All rights reserved. .
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