The common cold is the most prevalent viral respiratory infection caused by different viruses; rhinoviruses (25%), coronaviruses (10%), parainfluenza viruses, respiratory syncytial virus (RSV),...
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For a person to get an infection with HIV, they must have acquired the virus from external sources, the only external source is another human being infected with HIV. That human being can be his/her...
Neisseria is the only pathogenic gram-negative cocci (precisely diplococci). Two species of Neisseria cause disease in humans; Neisseria meningitidis and Neisseria gonorrhoeae. Human beings are...
Neisseria meningitidis is the bacteria that causes meningitis, a severe infection of the meninges—the thin lining covering the brain and spinal cord. Meningitis can lead to severe illness and, if...
Syphilis is a sexually transmitted disease caused by the bacterium Treponema pallidum. Syphilis has diverse clinical manifestations and shares many clinical features with other treponemal and...
Fluorescent treponemal antibody-absorption (FTA-ABS) test is an indirect fluorescent antibody technique used as a confirmatory test for syphilis. FTA-ABS is the first serological test to become...