Mycobacterium Tuberculosis(TB) By: Lydia and Brandon

Robert Koch

Robert Koch discovered tuberculosis on March 24, 1882. He started to experiment with microbes in a small laboratory in Berlin, Germany. He started to investigate with anthrax in animals and then started conducting experiments that affected humans. He perfected the technic of growing pure cultures of germs with using a mix of gelatin and potatoes. He used that because tuberculosis was so small and since it was a solid substance, it was easier to study the germs.

Diseases and Aliments

Some problems that this can cause is that it can significantly weaken your immune system, give you type 1 or type 2 (or both) diabetes, swollen Lymph Nodes, HIV, or/and an enlarged spleen.


This is a lung with tuberculosis. The black part is where the tuberculosis virus has already hit. The white parts are where the lung is "healthy".

This is what the tuberculosis virus actually looks like.

This is also a lung with tuberculosis. The grayish-white substance you see is all of the phlegm in the lung. Usually when people have tuberculosis and they cough, they usually cough up blood, phlegm, etc.

Transmissions and Contagiousness

Tuberculosis is contagious. You can catch it just by breathing in the same air as someone with tuberculosis.

Treatment and Prevention

Tuberculosis can be treated by taking antibiotics for 6 to 9 months. There are two types of tuberculosis, Latent and Active. Latent is not contagious and doesn't cause symptoms but, some cases turn into active. For active, the antibiotics you have to take are; Ethambutol, Isoniazid, Pyrazinamide, and Rifampin. Ways to prevent Tuberculosis; know if you're at risk because some people are at more risk of developing it, lead a healthy life style, get the BCG vaccination, and avoid exposing yourself to people with Active Tuberculosis.


One benefit is the way they discovered Tuberculosis made it easier for scientists to discover smaller germs. It has made society more aware of harmful bacteria. Another way it benefits science is because he inspired younger scientist to carry on his work. He also discovered and learned how to treat the deadly diseases; anthrax and TB. Finally, he developed new techniques that anyone can use around the world.


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