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Introduction of Microbes Responsible for Bloodstream Infections Bloodstream infections (BSIs) occur when microbes can enter the bloodstream as a severe complication of infections like pneumonia or meningitis, during surgery, or due to catheters and other foreign bodies invading the arteries or veins. Bloodstream infections (BSIs) …
Introduction of Seasonal flu and COVID-19 Seasonal flu and COVID-19 both are contagious respiratory illnesses, but their causative agents are different viruses. The etiological agent of COVID-19 is severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) first identified in 2019 while flu is caused by infection …
Introduction The VITEK 2 compact system is an automated microbiology bacteria and yeasts identification and antimicrobial susceptibility system which uses biochemicals for microbial identification whereas, VITEK MS performs the same function by covering a large number of microbes in a short time period at a …
Introduction of Auramine Staining Auramine is a fluorochrome stain used to visualize acid-fast structures of various microorganisms especially Mycobacterium tuberculosis and in modified form for Mycobacterium leprae, Nocardia species, Cryptosporidium parvum, Cyclospora cayetanensis , Isospora belli, and fungal spores. Ziehl-Neelsen (hot), and Kinyoun (cold) are …
List of Some Typical Arrangements of Bacteria In this chapter, we discuss some typical arrangements of bacteria like Staphylococcus, Streptococcus, pneumococcus, Enterococcus, Micrococcus, Neisseria species, Bacillus anthracis, Diphtheroids, Corynebacterium diphtheriae, Listeria monocytogenes, Vibrio cholerae, Campylobacter, Helicobacter, Treponema, Leptospira, Borrelia, etc. S.No. Arrangements Organisms 1. Gram-positive cocci …
Introduction of Diphtheria bacillus and Diphtheroids Diphtheria bacillus is also known as Klebs-Löffler bacillus and it is a Gram-positive nonmotile, club-shaped bacillus of Corynebacterium diphtheriae. C. diphtheriae is a causative agent of Diphtheria (a serious infection of the mucous membranes of the nose and throat). …
Introduction of Yeasts and Molds Yeasts are small round or oval in shape, eukaryotic, single-celled microbes classified as members of the fungus kingdom. The first yeast emerged hundreds of millions of years ago, and at least 1,500 species are presently recognized. They are estimated to …
Introduction of Gram-Positive and Gram-Negative Bacteria ‘Gram-Positive Bacilli (GPB)‘ is also called Gram-Positive Rods (GPR) bacteria which retain crystal violet dye and stain blue or purple on Gram’s staining. The most common medically important bacteria of GPR are Mycobacterium tuberculosis, Mycobacterium leprae, Listeria monocytogenes, Nocardia asteroides, Actinomyces israelii, Bacillus anthracis, Bacillus cereus, Bifidobacterium species, Corynebacterium …