SUBDUCTION ZONES and ISLAND ARCS. Subduction Zones are where cool lithospheric plates sink back into the mantle. It takes about 50 my for the ocean lithosphere that formed in the hot (>1000C) environment at mid-ocean ridges to cool to an equilibrium state and sink to its maximum depth below sea-level.
Ebola generally starts with flu-like symptoms. Though it's known for the extreme hemorrhagic symptoms -- the bleeding out of the eyes, etc. -- not everyone will experience these. In fact, only 20 percent of people will have [these extreme symptoms] Bhadelia said.
Ebola Virus Disease. Ebola viruses cause a severe and often deadly illness known as Ebola virus disease (EVD; previously referred to as Ebola hemorrhagic fever). Fatality rates during EVD outbreaks can be as high as 90 percent.here are five subtypes of Ebola viruses: Zaire, Sudan, Bundibugyo, Tai Forest (formerly known as Cote cÃ´teâD), ivoire And, reston each named after the location in which it was first. Identified the first three subtypes have been associated with LARGE evd outbreaks In. africa