Question

How did the scientific method lead to the discovery of viruses?

Answer 1

Answer:

In 1892, Ivanovski demonstrated the presence of infectious agents, coined 'virus' by Beijerinck in 1898, in filtrate of infected leaves passed through a Chamberland filter. This marks the discovery of the tobacco mosaic virus and the birth of a new era in virology.

Answer 2

Answer:

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Explanation:

Two scientists contributed to the discovery of the first virus, Tobacco mosaic virus. Ivanoski reported in 1892 that extracts from infected leaves were still infectious after filtration through a Chamberland filter-candle. Bacteria are retained by such filters, a new world was discovered: filterable pathogens.