20 Deadliest Diseases In Human History

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A great deal of Human history has been written by diseases. Whether it could be a black disease in 1400 AD or Ebola in recent years. Human history obviously stained with the blood of humans by war but this is the disease that is worlds biggest killer.

People have been survived from a very early age till now against thousand of diseases and growing the immune system of their body.

Here we have discussed 20 diseases from ancient time to modern day and showed how these diseases shaped mankind from years.

WARNING: Graphic images of Disease

Hera Are 20 Deadliest Diseases In Human History

1. Avian Influenza (Bird Flu)

Avian Influenza (Bird Flu) Deadliest Diseases In Human History

Avian Influenza refers to the disease caused by infection of avian (bird) influenza(flu) type viruses. These dangerous viruses occur naturally among wild aquatic birds and also can affect domestic poultry. Avian viruses naturally do not attack humans.

2. Bubonic Plague

Bubonic Plague

The plague is caused by bacteria and there are three types of plagues what were called the black death before 1600 AD. Its usually spread by fleas and this bugs pick the bacteria when they bite infected animals like rats or mice and then they pass it to the next animal or person.

3. Cerebrovascular Disease

Cerebrovascular Disease

You can name this with ” Brain Stroke”. This event affects the blood vessels and blood supply to the brain. This disease refers to a group of conditions that can even lead to death. worldwide this master disease is the Fifth reason of death.

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4. Cholera


Cholera is an infectious disease that causes severe watery diarrhea and can lead to death if this remains untreated. Drinking water or eating food could be the cause of Cholera. Cholera was prevalent in The United States in the 1800s. This disease is most common with the place with poor sanitation.

5. Chronic Obstructive Pulmonary Disease

Chronic Obstructive Pulmonary Disease

Chronic obstructive pulmonary disease is a chronic inflammatory lung disease which is an umbrella term. This disease can be characterized by increasing breathlessness. COPD is an incurable disease with perfect diagnosis and treatment you can improve your situation and breath.

6. Diarrhea


Your stools became loose and watery when will you attacked by Diarrhea. It’s a very common disease and not that serious. Many peoples got this almost once or twice in a year. This normally lasts for two or three days and if you counter this with proper medicine this can be recovered in a few days.

7. Ebola

Ebola Deadliest Diseases In Human History

Let’s talk about a deadly disease named “Ebola“, which causes by a virus. There are five strains and almost for of them can make people sick. When the virus will get access to the body it will kill the cells and wrecks the immune system causes heavy bleeding from many organs. It is a very rare virus but dangerous.

8. Influenza


Influenza is a viral infection. It is commonly called the flu. This attacks your receptor system like throat, lungs and your nose. Though the influenza vaccine is not 100 % effective but still this is the best prevention against your flu.

9. Ischemic Heart Disease

Ischemic Heart Disease

All types of problems that effects hearts can name as heart disease. Ischemic heart disease can occur when your arteries of the heart cannot produce oxygen-rich blood to the heart. This is the leading cause of death in the US and so on all over the world. Coronary microvascular disease is a major type of Ischemic heart disease.

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10. Lower Respiratory Infections

Lower Respiratory Infections

Bronchitis and pneumonia are the two types of lower respiratory infections. A lower respiratory tract infection can attack in the ways of Air. Smoking tobacco can cause a lower respiratory infection along with dust, air pollution, and chemical.

11. Meningitis


Meningitis is an inflammation of the membranes (meninges) surrounding your brain and spinal cord and the symptoms of this disease are headaches, fever and a stiff neck. Early treatment of bacterial meningitis can prevent complications. This can attacks newborn babies too.

12. Perinatal Complications

Perinatal Complications

Almost 3 million women had died due to Perinatal complications all over the world in 2018. There are several causes to happen as hemorrhage, infection, unsafe abortion, high blood pressure. We need to address the barriers to use of care to women are the key to prevent this.

13. SARS


Severe Acute Respiratory Syndrome (SARS) virus was identified in 2003 and it comes from animals like bats or civet cats. The disease has been identified in China firstly and transmission of SARS is primarily from person to person. This diseases sometimes can be absent in initial measurement.

14. Smallpox


Smallpox is a deadly virus foe=r which there is no known cure and smallpox is also known as variola. Since the tile of ancient Egypt, Smallpox has been known and considering as a devastating disease for the humankind. The first Smallpox vaccine was created in 1758.

15. Syphilis

Syphilis Deadliest Diseases In Human History

Syphilis is a very common bacterial infection that spread through sex. This can easily be cured with proper antibiotic medicine but this can cause permanent damage if you do not get teated. You can help prevent this by using Condom every time you are having sex.

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16. Tetanus


Tetanus is a serious disease caused by a bacterial toxin that usually attacks your nervous system. This dan dangerous disease can interfere with your breathing system and lead to death because there is no cure o this disease. Thanx to tetanus vaccine.

17. Tuberculosis


Tuberculosis (TB) is a disease caused by bacteria named Mycobacterium tuberculosis. This usually attacks lungs but can harm your other organs of the body. TB spreads through the air when a person with TB of the lungs throat coughs, sneezes and talks. If someone has a weak immune system he/she can easily to get TB.

18. Whooping Cough

Whooping Cough

Whooping Cough is a bacterial infection that gets on to your nose and throat. This disease can spread easily by air but there are vaccines to prevent this like DTap and Tdap can prevent this for children and adults. At first whooping cough has the same symptoms as the average colds.

19. Yellow Fever

Yellow Fever

Yellow fever is an acute viral disease transmitted by infected mosquitos. Jaundice as the name of “yellow fever” is known. Symptoms of yellow fever include fever, headache, jaundice, fatigue, and vomiting. The virus is endemic in tropical areas of Africa and Central and South America.

20. Leprosy


Leprosy is an infectious disease that causes severe, disfiguring skin and nerve damage in the legs, arms and skin areas around the body. This is an ancient time disease. Today, about 180,000 people worldwide are infected with leprosy and this job is curable and experts are trying to identify the basic cause of this disease.

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I am passionate about helping ambitious people grow. I am a director of the independent public board, author; and founder of Lul Griffin Executive Learning. I'm passionate about bringing more diversity to the corporate boardroom. Since 2012. I am the author of five business books. My last jobs are: Win your seat on a corporate board and women are great leaders. I am a distinguished student and philanthropist of the Moore Business School of the University of South Carolina, where I obtained my Bachelor of Science in Business and MBA. I served on the Board of Directors for ten years. I like acrylic painting, the history of World War II and electric cycling.

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