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).