Respiratory tract infections are a group of illnesses caused by various pathogens, including viruses, bacteria, and sometimes fungi, that affect the respiratory system. These conditions can affect either the upper (common cold, sinusitis) or lower (bronchitis, pneumonia) respiratory tracts. Coughing, sneezing, congestion, fever, and breathing problems are typical symptoms. Depending on the etiological agent and a person's health, respiratory tract infections can range in severity from mild to severe and are frequently spread through respiratory droplets.
Environmental Exposures and Exacerbations of Chronic Respiratory Diseases
In people with chronic respiratory illnesses, environmental exposures can exacerbate breathing issues. Read to know more.
Upper and Lower Respiratory Infections in Children - Types, Symptoms, Diagnosis, and Treatment
Severe or acute respiratory infections are harmful, especially in children. Read the article to learn more about children's severe or acute respiratory infections.

Middle East Respiratory Syndrome (MERS) - Symptoms, Causes, Diagnosis, and Treatment
Middle East respiratory syndrome (MERS) is a respiratory illness caused by the virus MERS-CoV. Learn about its symptoms, causes, diagnosis, and treatment.

Recurrent Upper Respiratory Tract Infection: Causes and Management
Recurrent upper respiratory tract infections are common among both adults and children. Read for more details.
Upper Respiratory Tract Infection - Causes, Symptoms and Treatment
Various bacteria and viruses cause upper respiratory tract infections. This article demonstrates upper respiratory tract infection, symptoms, and management.
Parasitic Respiratory Infection
Respiratory infections are caused by various parasites causing difficulty in breathing and other symptoms. Read the article for details.
Association Between Snoring and Respiratory Infections
Snoring is frequently associated with the incidence of respiratory diseases. Read this article to learn more about the link between these two conditions.
Role of Breastfeeding in Protection Against Respiratory Tract Infections
Breastfeeding is one factor that contributes to respiratory tract infections. Read the article to understand more.