In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invented a process where bacteria could be removed by boiling and then cooling the liquid. Today the process is known as pasteuriztion. He completed the first test on April 20, 1862.

In 1862, Pasteur helped to save the silk industry. He proved that microbes were attacking healty silkworm eggs, causing the disease, and the disease can be cured by eliminating the microbes.

Pasteur first vaccine discovery was in 1879, with a disease called chicken pox. After accidentally exposing chicken to the attenuated form, he demonstrated that they became resistant to the actual virus. Pasteur went on to extend his germ theory to develop prototype of vaccine for disease such as anthrax, cholera, TB, and smallpox.

What happened to Pasteur in 1879?

  1. He found his first vaccine.

  2. He was appointed as chemistry professor.

  3. He developed the vaccine prototype.

  4. He invented pasteurization process.


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Yang terjadi pada Pasteur pada tahun 1879 adalah ia menemukan vaksin pertamanya. Hal ini terdapat pada kalimat pertama paragraf terakhir, "Pasteur first vaccine discovery was in 1879 ...." Maka jawaban He found his first vaccine adalah jawaban yang tepat.


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