What is Rickettsia immunofluorescence?

What is Rickettsia immunofluorescence?

The Rickettsia Immunofluorescent Assay (IFA) is designed to detect Rickettsia-specific antibodies in human serum. For diagnostic purposes, IFA test results should be used in conjunction with other data available to the diagnosing physician.

How are Rickettsia transmitted?

Rickettsiae are transmitted to humans by the bite of infected ticks and mites and by the feces of infected lice and fleas. They enter via the skin and spread through the bloodstream to infect vascular endothelium in the skin, brain, lungs, heart, kidneys, liver, gastrointestinal tract, and other organs (Fig.

What antibiotics treat rickettsial?

Drugs used to treat Rickettsial Infection

How do you test for Rickettsia Rickettsii?

The standard serologic test for diagnosis of RMSF is the indirect immunofluorescence antibody (IFA) assay for immunoglobulin G (IgG) using R. rickettsii antigen.

Is Rickettsia a virus or bacteria?

The rickettsia are bacteria which are obligate intracellular parasites. They are considered a separate group of bacteria because they have the common feature of being spread by arthropod vectors (lice, fleas, mites and ticks).

What is the structure of a Rickettsia?

The structure of the typical rickettsia is very similar to that of Gram-negative bacteria. The typical envelope consists of three major layers: an innermost cytoplasmic membrane, a thin electron dense rigid cell wall and an outer layer.

Why is Chlamydia Rickettsia unique?

Currently, microbiologists believe that chlamydiae and rickettsiae are gram-negative bacteria unique in their intracellular habitat. This review presents evidence that these organisms have another peculiarity; namely, defective cell walls present throughout much of their life cycle.

Which antibiotics can be avoided to patients infected with Rickettsia?

TABLE 2