Tarbiat Modares University Infection Epidemiology and Microbiology 2588-4107 6 1 2020 02 01 A Review on Bacterial Respiratory Infections and Optimization of Their Identification 63 83 1808 10.29252/iem.6.1.63 EN Mandana-Sadat Mirhoseini Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Kosar Heydari Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Arash Abednezhad Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Parisa Naderi Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Dibachehr Rahmani Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Nastaran Asghari Moghaddam Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Nima Faraji Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran Journal Article 1970 01 01 Background: The current narrative review aims to describe microbial agents causing pneumonia briefly. In addition, the ongoing review tries to introduce the diagnostic methods from biochemical to molecular tests used routinely and the promising molecular methods which will be used in near future.<br> Methods: PubMed was searched for all review and original articles related to the lung infection. Studies providing insights into clinical symptoms, microbiology, risk factors, and diagnosis were included.<br> Rasult & Conclusion: Untreated respiratory infections are one of the most common health care problems worldwide. We tried to provide a collective view of new aspects of bacteriology and diagnosis methodology of lung infection detection. https://iem.modares.ac.ir/article_1808_39027dfad5138c9ca0c474d71db915c3.pdf