Answer:A disaster
Explanation:A disaster occur when there is a rapid and sudden disruptive environmental condition such as earthquake, tornados , volcanoes.
This has a major impact on the normal functioning of the society which affect people , structures or properties and cause economic and environmental losses beyond the recovery ability of the community.
50 patients or victims is not a normal or usual number that a hospital will receive normally at the same time but because this is a disaster it presents a situation that is even beyond the hospital to handle; a situation beyond available medical resources.
