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Hace 9 horas · The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931. The causative agent was identified as a virus in 1933.
Hace 9 horas · A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.It is often referred to as a twister, whirlwind or cyclone, although the word cyclone is used in meteorology to name a weather system with a low-pressure area in the center around which, from an observer looking down ...
Hace 2 horas · Karnataka Deputy Chief Minister DK Shivakumar has announced that drinking water across the state, including Bengaluru, will be tested for contamination to prevent water-borne diseases following multiple cholera cases in the state. This development comes after one person died and several others fell ill from consuming contaminated water.
