The Most Lethal Viruses Known To Mankind

Rotavirus

Photo Credit: NetDoctor

Rotavirus is the main cause of severe diarrhea in young children and infants. According to the World Health Organization, more than four hundred and fifty-three thousand children under the five years old died from the virus in 2008 alone. Researchers believe the virus spreads through the fecal-oral route, or when small feces particles are consumed. There are two vaccines available to protect children in the developed world from rotavirus; however, the virus remains a killer in parts of the world where treatment is not widely available.

Dengue Fever

Photo Credit: WorldHealthOrganization

Dengue is a virus carried by mosquitoes that can cause an Ebola-like disease known as dengue hemorrhagic fever. It is the leading cause of death in subtropical and tropical regions of the world. Although there is currently no vaccine available for dengue hemorrhagic fever, it is not contagious and is treatable. According to the World Health Organization, dengue affects up to one million individuals a year. Symptoms of this condition include a fever, severe headache, and death if it is left untreated.

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