As violent we can be toward one another,throughout history the biggest executioner of human race has been deadly diseases.These are the 15 deadliest disease in human history.
15.Ebola.deriving it name from the ebola river in republic of the congo,where it was first found,its victims typically suffer fever,muscle weakness and other symptoms that progress to severe bleeding both internal and external,that eventually cause them to blead to death.unfortunately there is no treatment as of yet.currently there are claims that ebola Is the most deadliest disease in human history.

14.Avian influenza(Bird flu):most human contractions of the avian flu are result of either handling dead infected birds or from contact with infected fluids.for this reason there hav been large outbreaks in heavily agricultural part of asia and africa.

13.Tetanus:tetanus is a medical condition characterised by a prolonged contractions of skeletal muscle fibres.infections generally occurs through wound contamination and often involves a cut or deep punctured wood.


12.Chronic obstructive pulmonary disease:often abbreviated as COPD.this disease is caused by notious particles or gas.most comonly from tobacco smoking,that trigger an abnormal inflamatory response in the lung.

11.Ischemic heart disease.basically Fancing way of saying heart attack or the factor that pre dispose individuals to them,by some estimates 1or3 persons is are said to die from heart disease.

10.Meningitis:this is an inflamation of the protective membranes coveribg the brain and spinal cord.This inlamation may be coursed by infections and most comonly by certain drugs.

9.Syphiis:this sexually transmitted disease is believe to infect roughly 12million people annually with greater than 90% of cases in the developing world.

8.Lower respiratory infections:symptoms of this infections are runny nose and sneezing headache and sore throat.


7.Cerebrovascular disease:basically a fancy way of saying stroke.this happens when blood flow to part of the brain is interrupted because a blood vessel is blocked or bursts open.

6.Bubonic plague:known as zoonotic disease,circulating mainly among small rodent and their fleas,without treatement bubonic plague kills about 2/3 of infected human within 4 days.

5.SARS:a viral respiratory disease in humans,the last known disease of the outbreake occured in june 2003.SARs is not claimed to have been eradicated,however s it may still be present in its natural host reservoirs (animal population)and may return to the human pupulation.

4.Leprocy:This chronic disease has had a long history of making it victims social pariahs due to the way it deforms the surface of the skin.although
This days treatment has been discovered in many parts of the developing world leper colonies are still very prevalent.

3.Meascles.it is spread through respiration and it highly cotagious as roughly 90% of people sharing living space with an infected person will catch it.while the vast majority of patient survive meascles,complications occur fairly frequently and may include bronchitis and panencephalitis which is potentially fatal.

2.HIV:The virus behind aids a condition in human in which progressive failure of the immune system allows life threatening infections and cancers to thrive.since its discovery AIDs as caused over 30million deaths
1.Malaria;The mosquito born infectous disease causes symptoms that typically include fever and headache which in severe cases can progress to coma or death.it is found primarily in the tropics and as of yet there is no effective vaccination.