| ell known that tuberculosis is a problem caused by | | | | agree that many research teams have tried to |
| mycobacterium tuberculosis, which is a bacterium that | | | | devise such a test but also sustain that they have |
| affects in the first phase, the lungs. This medical | | | | failed in making it effective. |
| problem might be active or inactive. For both | | | | Some studies say that in UK more than 7000 new |
| situations the skin test might help for revealing. | | | | cases of tuberculosis are reported every year. The |
| It is also known that a test called Mantoux is available | | | | current method for diagnosing tuberculosis is said to |
| and it is the most used test in all United States. This | | | | be a close exam, under a microscope, of sputum |
| test is considered accurate. Even so the tuberculosis | | | | from the lungs. |
| skin test called Mantoux can not always be precise. | | | | During many researches the scientists found a |
| More than that this test is not capable to reveal | | | | molecular signature for tuberculosis. After using a |
| weather the infection is active or not. | | | | mass spectrometer and statistical methods to |
| Other countries use BCG, bacillus Calmette Guerin, | | | | uncover complex patterns known as biomarkers |
| vaccine. BCG can cause a positive skin test if it has | | | | within samples from people infected with tuberculosis |
| been recently administrated. | | | | the molecular signature was found. |
| Talking about these tests, the specialists agree that | | | | This discovery was used by specialists to help finding |
| no tuberculosis skin test is always going to detect | | | | a way for simpler diagnosing for tuberculosis |
| the bacteria, so the specialists have devised a blood | | | | infections. |
| test for tuberculosis and they hope this will help | | | | The doctors’ conclusions are not yet told but |
| patients in the developing world. | | | | following them step by step they say that the new |
| The specialists that developed this tuberculosis blood | | | | method will help easing the methods for diagnosing |
| test believe that in 94 % of the cases this test will | | | | tuberculosis. They agree that this new test is needed |
| be accurate and this serum test will offer more | | | | desperately in all the hospitals and they get excited |
| guarantees then the common skin tests. | | | | when they think it is a possible thing. |
| A recent study agrees that this tests works because | | | | The final step in developing the new ways of |
| it looks for biomarkers which are indicators of | | | | diagnosing tuberculosis is the usage of the identified |
| infection and could out perform alternatives. | | | | biomarkers. |
| Other opinions are also available. Tuberculosis experts | | | | |