Epidemic over a wide geographical area. outbreak of pandemic disease.

(Of an event) sudden and extreme.

person who rides bicycle. People who ride bicycles.

point on earth's surface vertically above focus of earthquake. Points directly above the focus of an earthquake.

large building where raw materials or manufactured goods may be stored prior to their distribution for sale. store goods in warehouse.

become twice as much or as many.

Sudden event needing an immediate action.

To look at or examine carefully.

elected executive head of US state.

having or formed into step or series of steps. To raise and moving the foot to put it down.

appliance or aperture for ventilating room or other space. Devices that freshes air and expel bad air.

process of infecting or state of being infected. Making or becoming sick with a bacteria/virus.

person who jogs as form of physical exercise. People who run a steady slow pace (for exercise).

occasionally, rather than all of time.

requiring quick or immediate action. record or other object made application of force or weight. To print something such as a book or newspaper.