2024 Author: Jasmine Walkman | [email protected]. Last modified: 2023-12-16 08:29
Bacteria and viruses are microscopic organisms that can cause disease in both humans and animals or plants. Although bacteria and viruses may have some common characteristics, they are also very different.
Bacteria are usually much larger than viruses and can be examined with a conventional microscope. Viruses are about 1000 times smaller than bacteria and are only visible under an electron microscope.
Bacteria
The bacteria are unicellular organisms that reproduce independently of other organisms. Viruses need the help of a living cell to reproduce.
Most bacteria are harmless, and some are even beneficial to humans, others bacteria can cause disease. The pathogenic bacteria that cause the disease produce toxins that destroy the body's cells. They can cause food poisoning and other serious diseases, including meningitis, pneumonia and tuberculosis.
Bacterial infections can be treated with antibiotics, which are many effective for killing bacteria. Unfortunately, due to the excessive use of antibiotics, some bacteria have become resistant to them. The best way to protect yourself from bacteria and other microbesis to wash your hands properly and often.
Viruses
Viruses are pathogenswhich cause a number of diseases, including chickenpox, influenza, rabies, Ebola, Zika and HIV / AIDS. Viruses can cause permanent infections in which they are dormant and can be reactivated later.
Antibiotics do not work against viruses. Treatment for viral infections is usually associated with drugs that treat the symptoms of the infection, not the virus itself. As a rule, the immune system fights viruses independently.
There are also some types of antiviral drugs on the market that work differently. In general, they prevent the virus from entering the cell.
The drug prevents the release of viral DNA or RNA from the protein coat, causing the genetic material of the virus to lose its ability to penetrate the cell membrane. This is how rimantadine works, for example.
Vaccines can also be used for prevention of certain viral and bacterial infections.
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