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An Expert Explains: How is poliovirus similar (or different) to a coronavirus | Explained News - The Indian Express
![The Nobel Prize on Twitter: "#OTD, 24 October 1955, the polio vaccine developed by Dr. Jonas Salk was declared safe & effective. The virus causing polio was discovered in 1908 by Karl The Nobel Prize on Twitter: "#OTD, 24 October 1955, the polio vaccine developed by Dr. Jonas Salk was declared safe & effective. The virus causing polio was discovered in 1908 by Karl](https://pbs.twimg.com/media/DqR2HkQWkAEpNYc.jpg)
The Nobel Prize on Twitter: "#OTD, 24 October 1955, the polio vaccine developed by Dr. Jonas Salk was declared safe & effective. The virus causing polio was discovered in 1908 by Karl
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The Nobel Prize on Twitter: "The virus causing polio was discovered in 1908 by Karl Landsteiner and Erwin Popper. Landsteiner was later awarded a Nobel Prize for another discovery, that of human
![Karl Landsteiner – A Nobel Prize winning scientist from Austria who developed the classification of blood group – Ganesh ias Academy Karl Landsteiner – A Nobel Prize winning scientist from Austria who developed the classification of blood group – Ganesh ias Academy](https://ganeshiasacademy.files.wordpress.com/2019/06/ca-post-25.06.19.jpg)
Karl Landsteiner – A Nobel Prize winning scientist from Austria who developed the classification of blood group – Ganesh ias Academy
![History of Virology LECTURE 2: Viro100: Virology 3 Credit hours NUST Centre of Virology & Immunology Professor Johnston often said that if you didn't know. - ppt download History of Virology LECTURE 2: Viro100: Virology 3 Credit hours NUST Centre of Virology & Immunology Professor Johnston often said that if you didn't know. - ppt download](https://images.slideplayer.com/32/9972731/slides/slide_12.jpg)
History of Virology LECTURE 2: Viro100: Virology 3 Credit hours NUST Centre of Virology & Immunology Professor Johnston often said that if you didn't know. - ppt download
![1930 ca , USA : The austrian-born american biologist and physician Doctor Karl Landsteiner ( 1868 – 1943 ). He is noted for having first distinguished Stock Photo - Alamy 1930 ca , USA : The austrian-born american biologist and physician Doctor Karl Landsteiner ( 1868 – 1943 ). He is noted for having first distinguished Stock Photo - Alamy](https://c8.alamy.com/zooms/9/5ad2a75bf31f4c298b6ce662a889b883/2aw627p.jpg)