Sexually Transmitted Infections

Treponema pallidum: Properties, Pathogenesis, and Disease

Treponema pallidum: Properties, Pathogenesis, and Disease

Treponema pallidum is the causative agent of syphilis, an infectious venereal disease in humans. Primary, secondary, tertiary latent stages.

Demonstration of Treponema pallidum Using Dark-Field Microscopy

Demonstration of Treponema pallidum Using Dark-Field Microscopy

Dark field microscopy is the most specific and sensitive technique to diagnose syphilis when an active chancre or condyloma lata is present.

Chlamydia Infections: Causes, Symptoms, Diagnosis, Treatment

Chlamydia Infections: Causes, Symptoms, Diagnosis, Treatment

RPR Test: Principle, Procedure, Interpretations

RPR Test: Principle, Procedure, Interpretations

RPR test is a macroscopic, nontreponemal flocculation card test used to screen for syphilis. RPR test measures IgM and IgG antibodies to lipoidal material.

What makes some people resistant to HIV infection?

What makes some people resistant to HIV infection?

HIV VIRUS, Co receptors, CCR5, CXCR4, CD4 positive T cells,

Neisseria gonorrhoeae: Disease, Pathogenesis, Lab Diagnosis

Neisseria gonorrhoeae: Disease, Pathogenesis, Lab Diagnosis

Neisseria gonorrhoeae is a gram-negative kidney-shaped diplococci. It causes gonorrhea, a sexually transmissted infection.

Laboratory diagnosis of HIV Infection

Laboratory diagnosis of HIV Infection

Lab diagnosis of HIV is made by measuring anti-HIV antibodies in the serum of the suspected patient by ELISA or RDTS, detecting P24 antigen or via western blot technique.

Structure of Human Immunodeficiency Virus (HIV)

Structure of Human Immunodeficiency Virus (HIV)