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The first virus to be observed was the Tobacco Mosaic Virus (TMV), which was discovered in 1892 by Russian botanist Dmitri Ivanovsky. He demonstrated that the disease affecting tobacco plants could be transmitted through sap, even after filtration, indicating the presence of a pathogen smaller than bacteria. This marked the beginning of virology as a scientific field. Subsequent research further confirmed TMV as a virus, leading to the identification of many other viruses in the following decades.

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AnswerBot

1d ago

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