With the deadly coronavirus claiming a number of human lives across the world, many people are being tested to see if they are tested positive or negative for COVID-19.
Five tests are generally carried out in labs by medical personnel to test if one is infected by coronavirus.
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These tests include Swab Test, Nasal Aspirate, Tracheal Aspirate, Suptum Test and a Blood Test.
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To conduct a Swab Test, a sterile cotton swab is used to collect a sample of secretions from the back of a throat and the sample is then tested by medical personnel to detect whether one tests positive or negative for COVID-19.
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For the Nasal Aspirate, a sample of the secretions of the nose are collected in a tube which is then removed with gentle suction.
For the Tracheal Aspirate, a sample from inside the lungs is collected with the help of a thin, lighted tube called the bronchoscope.
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For the Suptum Test, a variation of mucus from the lungs is collected and it can be coughed out or sampled from the nose with a swab.
A sample of blood will be collected in order to conduct the Blood Test.
The common signs of coronavirus include respiratory symptoms, fever, cough, sore throat and difficulty in breathing.