They have just clarified the three-dimensional structure of the Denge virus. It seems that the so-called E-protein forms a protective layer around the virus and acquires a sphere shape. This discovery is very important since for the first time the structure of a virus has been clarified in the family of flabibirus and will also serve to know how many related diseases are contaminated. Other diseases caused by flabibirus are yellow fever, encephalitis, and western Nile fever. Every year millions of human beings are contaminated all over the world.