Top Ten Most Dangerous Bacteria on Earth

In the olden days, people used to suffer from bacterial infections in large numbers. This was when antibiotics were not yet discovered. It is ironical that this is still the case even after many years have passed and there are now various types of antibiotics. The reason behind this is that antibiotics tend to make bacteria resistant to them if prescribed continuously. Some bacteria are more dangerous than others. Some of the most dangerous bacteria on earth are discussed below.


This is a bacterium that belongs to the Staphylococcus family. This type of bacterial infection is found among people in the hospital. This is because most of them are injured and their wounds are open. This gives the bacterium easy access to the body and spreads leading to an infection. It is a deadly bacterium if not treated in time. Vancomycin is the strongest antibiotic that can be used to fight infections caused by MRSA.

Most Dangerous Bacteria on Earth

2. E.coli

E.coli gets access to the body when a person eats fruits and vegetables that have not been washed. This leads to stomach aches, diarrhea, vomiting and dizziness among other symptoms. This bacterium is known for being very resistant to antibiotics and can easily lead to death if the infection is not treated in time.

E coli

3. Acinetobacter baumannii

This is a bacterium that has killed many soldiers in Iraq. It is transferred through wound and openings. Many soldiers have died from infections caused by this bacterium when injured in war. It is quite resistant to antibiotics but can be controlled by maintaining hygiene of the hands.

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Most Dangerous Bacteria on Earth

4. Aspergillus

This is a mould. It is found everywhere in the air. This bacterium commonly affects people with critical conditions like cancer and asthma. It is capable of causing serious heart and ling complications if not treated soon. The challenge of treating infections caused by this bacterium is that it is hard to diagnose the infection. This is because some of the symptoms are similar to those of cancer and other critical conditions. The fact that it is in air is makes it hard to control its spread.


5. Rabies

This is a very dangerous virus that is spread from animals to human beings. When the animal bites you, the rabies virus is transferred to your body and begins to spread to the nervous system where it interferes with the function of your brain to the point you become mad. It is prevented by giving animals shots against rabies and ensuring that in case you get bitten, you rush to the hospital. The dog is the one that often spreads rabies.


6. Measles

Measles has over the years been reduced through vaccinations. However, this has not been able to get rid of all cases. Measles affects the respiratory system if air containing the microorganism is inhaled. In most cases it is controllable. However, in developing countries, measles has led to the death of many people.


7. Rotavirus

This virus affects young children. It is found in feces and is therefore transferred through ingestion of feces. It is not common in adults because they are more careful with what they eat. However, children can easily ingest feces especially when they get their hand in their potty while potty training.

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8. Anthrax

Anthrax was commonly used in warfare during early days. It spreads through wound and cuts and is very deadly. It affects both animals and human beings. It id therefore important to ensure your animal is healthy before handling it. This is one of the prevention methods. Anthrax is not common nowadays but when it occurs it has very few treatment options.


9. Ebola

This is one of the most deadly viruses in the world. It destroys the ability of the blood to coagulate. This leads to vomiting and diarrhea that makes the virus spread to other people. When treating Ebola, it is important to have the individual in isolation to prevent its spread.


10. HIV

This is the world most feared virus. It is deadly. It spreads when body fluids from an infected person to a non infected person are exchanged. There is no cure for this virus. People suffering from the virus take Anti Retro Viral medications to boost their immune system and prolong life. It is important to be faithful or abstain from sex in order to protect yourself from getting this virus. Scientists hope that in the future they will be able to find the cure for this virus.



There are many other good article like the article about  the most incredibly dangerous parasites that affect humans and animals, then you can read Top Ten incredibly Dangerous Parasites .

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