Astronomy is a science that studies celestial objects such as the Sun, planets, moons, stars, nebulae & galaxies.
Definition of Ebola - an infectious and frequently fatal disease marked by fever and severe internal bleeding, spread through contact with infected body Definition of Ebola - an infectious and frequently fatal disease marked by fever and severe internal bleeding, spread through contact with infected body
Ebola virus disease (EVD) is a rare and often-fatal infection caused by one of the five strains of the Ebola virus. Ebola first appeared in 1976 in a simultaneous outbreak in the areas that are now Sudan and the Democratic Republic of the Congo, according to the World Health Organization (WHO).ive virus species have been identified, four of which are known to cause disease in humans: Ebola virus (Zaire ebolavirus); Sudan virus (Sudan ebolavirus); Tai TaÃ¯ forest (Virus Tai taÃ¯, forest Ebolavirus formerlyâCote cÃ´te); d Ivoire ebolavirus (And bundibugyo). virus bundibugyo ebolavirus