Diagnosis of TB

Previously, TB was studied by Professor Germain Se, who injected the virus into patients' bloodstreams through the eye, tested on animals (specifically cows), and then waiting for the patients to get better. However, this was an ineffective way of studying the issue. Nowadays, our diagnosis of TB is easier.

There are a few ways in which TB is typically diagnosed today:

Skin Test: A skin test is accomplished by injecting a diagnosis liquid, either tuberculin or PPD, into the lower part of your arm. This liquid will cause your arm to swell, and a health care provider will determine if you're positive or negative. However, one drawback is that this test can return a false positive if you received the BCG vaccine.

Sputum Smear Microscopy: This test is accomplished by evaluating the sputum (a mix of saliva and mucus) coughed up by patients. The benefits of this test are that it's extremely accessible, as it does not require going to a clinic nor does it require any training or resources. However, this test is not extremely accurate.

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