An Overview of Bacterial Respiratory Tract Infections and their Etiologies

Background: Respiratory tract infections (RTIs) are considered as one of the most important causes of morbidity and mortality, worldwide. A wide variety of bacteria and viruses are responsible for the development of RTIs. Considering the importance of respiratory tract infections, this study aimed to provide an overview of the most important respiratory tract infections and inflammations of bacterial origin and their etiologies. Results: A literature review was conducted to find original studies associated with respiratory infections. Articles that provided evidence on respiratory tract infections as well as their clinical manifestations and etiologies were included in this research. Conclusion: Considering the importance and economic burden of respiratory tract infections as well as their diversity and widespread prevalence in different communities, it is necessary to implement preventive measures at the national level to control and deal with respiratory diseases with high prevalence in all age groups, in addition to observing the principles of health and hygiene.