Tuberculosis is a bacterial infection caused by the species mycobacterium, hence it is also called as mycobacterium tuberculosis. The target organ affected is lungs. It is a contagious disease and transmits through air while the infected patient coughs and sneezes. TB can be remained in the body years together without showing any symptoms. The diagnosis involves tuberculin skin test. Recent studies have concluded that the patients with AIDS are highly prone to get tuberculosis. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on July, 2014