Top 10 Most Deadliest Viruses In The World

With a fatality rate of 90 per cent, the Marburg virus is named after an idyllic town on the river Lahn.

There are five strains of the Ebola virus: Zaire, Sudan, Tai Forest, Bundibugyo, and Reston. Amongst which Zaire Ebola Virus is the deadliest with a mortality rate of 90 per cent.

It is named after a place where American soldiers were supposedly first infected with the virus during the Korean War in 1950.

The highest number of Bird flu cases appears to be in Asia with a 70 per cent mortality rate. 

Lassa virus is transmitted by rodents. The first case of Lassa virus was contracted by a nurse in Nigeria.

Junin virus causes symptoms such as skin bleeding, tissue inflammation, and sepsis. This virus is associated with Argentine hemorrhagic fever.

With symptoms similar to Ebola and Marburg, the Crimea-Congo fever is spread by ticks.

The Machupo virus is also known as black typhus. This virus is associated with Bolivian hemorrhagic fever which can be transmitted from human to human and rodents.

Kyasanur Forest Virus (KFD) was first discovered in 1955 in India by scientists. It is believed that rats and birds may serve as hosts for the ticks that spread the KFD virus.

As per reports, about 50-100 million people are infected with Dengue fever each year. Spread mainly through mosquitoes, this virus is popular in Thailand and India, which have tropical climates.