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<p><strong>Microbiology</strong> is the study of <em>microorganisms</em>, which are unicellular or cell-cluster microscopic organisms. This includes eukaryotes such as fungi and protists, and prokaryotes such as bacteria and certain algaes. Viruses, though not strictly classed as living organisms, are also studied<sup id="_ref-0" class="reference">[1]</sup>. Microbiology is a broad term which includes many branches like Bacteriology, Virology, Mycology, Parasitology &amp; Others. A person who specializes in the area of Microbiology is called as &ldquo;Microbiologist&rdquo;</p>

<p>Although much is now known in the field of microbiology, advances are being made regularly. The most common estimates suggest that we have studied only about 1% of all of the microbes in any given environment. Thus, despite the fact that over three hundred years have passed since the discovery of microbes, the field of microbiology is clearly in its infancy relative to other biological disciplines such as zoology, botany and entomology.</p>