10 Most Dangerous Bacteria On Earth

10 Most Dangerous Bacteria On Earth

Here, we are discussing the 10 Most Dangerous Bacteria On Earth. Have a look at our Frecked.com list.

They might be the tiniest of creatures, but they are capable of hitting you hard inside and outside. Yes, we are talking about bacteria’s. They are not visible with naked eyes, but are found everywhere. They are in the air we breathe and also present in the soil.

There are n number of bacterias present in the environment and in the bodies of the living beings.  Some bacteria’s are quite beneficial for human race, but all bacterias are not the same. Some deadly bacterias are so dangerous that they take a toll on life.

10.  Clostridium Botulinum

10 Most Dangerous Bacteria On Earth
10 Most Dangerous Bacteria On Earth-clostridium botulinum

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Considered as one of the most toxic bacteria, we keep Clostridium Botulinum at number 10 position in our list of top 10 most bacterias on the Earth. It targets the nervous system of the human beings. They cause severe health complications like respiratory abnormalities, difficulty in swallowing, weakness in the body and poor vision. The bacteria gain entry into the system through the respiratory tract. It can also lead to paralysis.

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9. E Coli

10 Most Dangerous Bacteria On Earth
E-coli- 10 Most Dangerous Bacteria On Earth

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Euscheria Coli or E. Coli is on number nine in our list of top 10 most dangerous bacteria on Earth. This bacterium is very tiny, but it multiplies with an unbelievable pace inside the body of a human being. It inhabits the intestine of a human being and some starins of E. Coli may cause bleeding in the intestine.

Some starins of this bacterium can be very dangerous for very young or elderly as well as immuno- compromised patients. It can be fatal and can be blamed for killing numerous people annually, across the world.

8. Bacillus Anthracis

10 Most Dangerous Bacteria On Earth
10 Most Dangerous Bacteria On Earth-Photo credit by commons.wikimedia.org

This bacterium is also known as anthrax. It enters our body via skin and damages our lungs. It also impacts negatively on our digestive and blood circulatory systems.

This bacteria is one of the most common causes of cold, cough and flu. It deteriorates the body at large. We keep it at number 8 in our list of top 10 most dangerous bacterias on the Earth.

7. Aspergillus


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Aspergillus is one of the most common and dangerous bacterial mold. It is a reason for the blood and pulmonary infections. In the absence of proper treatment, these infections can lead to death ultimately.

It also cause skin cancer and is also present in cancer patients as well as patients who have fallen prey to other diseases. Aspergillus is commonly found where air conditioners are present. From air conditioning systems, it makes its way to the air ducts.

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6. Acinetobacter Baumannii

Acinetobacter Baumannii

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Acinetobacter Baumannii is one of the most dangerous bacterias present in this world and we keep it on number 6 in our list of top 10 most dangerous bacterias on Earth. Through their persistent efforts the medical researchers and the doctors have prepared some antibiotics to combat these dreadful bacteria and avoid the side effects caused by it.

This bacteria gains the entry into the human system via injured parts of the body and wounds. It is also called as Iraqibacter.

5. Syphilis

ca. 1960-1990 --- Electron micrograph of Treponema pallidum bacteria, which causes syphilis. --- Image by © Lester V. Bergman/CORBIS

Photo credit by www.corbisimages.com

It causes skin infections and paresis. It also interferes with the blood circulatory system and also hampers the pace with which the heat beats. It also hampers the aorta and arteries of our body. In the past, this disease was considered as one of the most debilitating disease and was often referred to as the” great imitator”. It is quite a task to diagnose this disease.

The treatment is possible in the first ad the second stage, but in the third stage it becomes difficult to manage this disease. Proper treatment at correct time is required to win over Syphilis. If not treated properly, it can lead to death.

4. Salmonella


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Salmonella, one of the deadliest bacterias on the Earth, is on number four in our list of top 10 most dangerous bacterias. There are two forms of this bacteria- typhi and enterica. Salmonella typhi causes typhoid. This bacteria spreads through feaces and urine of the infected person. Typhoid is a treatable disease. If the treatment is taken properly, a patient can recover from this disease. The carrier of Salmonella is found mostly in South Africa and America. It is also prevalent in other parts of the world too.

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3. Staphylococcus


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It belongs to the largest group of bacteria and also it is quite dreadful. There are about 40 thousand subspecies of Staphylococcus in the world. Staphylococcus may be present in very small amounts in the skin of human beings.

Our immune system is strong enough to combat the small amount of these bacteria, but, once the immunity is hampered, these bacteria show their deadly side. Styphalococcus is on number 3 in our list of top 10 most dangerous bacteria’s on the Earth.

2. Streptococcus


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This bacteria behind the dreadful pneumonia. This bacteria is also the major cause behind the dreadful bacterial meningitis. A little amount of the streptococcus flora is always present in the respiratory tract of the human beings. But, when the immune system is disturbed, the virulent streak of these bacterias come into action. This bacteria can also lead to death and so we keep Streptococcus on number 2 in our list of top 10 most dangerous bacteria on the Earth.

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1. Mycobacterium Tuberculosis

Mycobacterium Tuberculosis

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Tuberculosis is undoubtedly the most dangerous bacteria on the Earth. The scientific name of tuberculosis is Mycobacterium tuberculosis. It inhabitants the spines of mammals and cause irreparable damage to the immune system. Going by the numbers, the World Health Organization has claimed that, Mycobacterium Tuberculosis has killed an unbelievable 9 million peoples across the world and majority of them in developing countries between 2006 to 2010 and so we  keep Mycobacterium Tuberculosis on number 1 in this list of the most dangerous bacterias on the Earth.

10 Most Dangerous Bacteria On Earth

Sr No. Dangerous Bacteria On Earth
1 Mycobacterium Tuberculosis
2 Streptococcus
3 Staphylococcus
4 Salmonella
5 Syphilis
6 Acinetobacter Baumannii
7 Aspergillus
8 Bacillus Anthracis
9 E Coli
10 Clostridium Botulinum

So, now you know the top 10 most dangerous bacterias in the world. Keep yourself protected and safe. If you experience minutest of symptoms, do not think twice before visiting a doctor. If correct treatment is taken at correct time, you can save yours and your loved one’s life from these deadly bacterias.

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