Coronavirus (COVID-19) – Laboratory testing, Diagnosis, Guidelines

Novel coronavirus, also called 2019-nCoV, is the newest discovered coronavirus that originated in Wuhan, China. It belongs in the same family of MERS-CoV and SARS-CoV. It is called coronavirus because, on electron microscopy, the shape of the virus looks like a crown. A series of genetic amplification assays associated with the Center for Disease Control […]

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Various shapes and arrangements of Bacterial cells

Bacteria are the ubiquitous microscopic organisms that are not visible with the naked eye. Bacterial morphology (size, shape and arrangement of bacterial cells) is one of the mostly used feature for the differentiation of various bacterial species. However pleomorphic bacteria can assume several shapes, following are the three basic bacterial shapes: Coccus (plural-cocci) : spherical […]

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