3 Most Killer Viruses In History

World of medicine is in constant cold war with the infectious disease  all over the world be it Bacterias or Viruses or Fungi, there all are capable of collapsing whole system and killing millions in single disastrous outbreak. Viruses has always been a cold blooded killers here we look at the 3 most killer viruses in human history.



Smallpox Virus

By Photo Credit:Content Providers(s): CDC/ [Public domain], via Wikimedia Commons

The causative agent of the deadly disease is Variola Virus. The disease was first coined “Pox” but latter it was termed as Smallpox which differentiated it from Greatpox also known as Syphilis. It first came into picture around about 10,000 BC, first seen in Egypt than it spread across all over the world. But the concentrated effect of the Smallpox remained in Europe where it killed around 300–500 million people during the 20th century. Good news is that it was the first disease which has been completely eradicated, announced in 1979 by WHO.



Measles Virus

By CDC/NIP/Barbara Rice (http://phil.cdc.gov/phil/ (ID#: 132)) [Public domain], via Wikimedia Commons

Also known as Rubeola. Measles is caused by a deadly virus called Paramyxovirus which effects respiratory system, immune system and skin. Prevalent all over the world was first described scientifically by Persian physician Rhazes around860-932 AD. Measles is responsible for millions of deaths, even after the aggressive vaccination program the virus still very much active. There were 122 000 deaths in 2012 according to latest WHO Data.



Spanish Flu Virus

By U.S. Army photographer [Public domain], via Wikimedia Commons

It emerged in 1918, the deadly virus responsible for the outbreak was H1N1 Influenza Virus. It is considered the on of the most deadly pandemic disasters in human history which tolled around 100 million deaths which is more than deaths in the world war one (20 million deaths). It predominantly killed young health adults. Recent research has shown that the virus caused the Cytokin Storm in the immune system and hence victims where the people with strong immunity.

Stay healthy and protected