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What is pneumonia? Pneumonia is an infectious disease caused by bacteria or viruses that inflame the lung tissue below the bronchioles. Patients typically exhibit symptoms such as fever, cough, and sputum production. A chest X-ray can help doctors confirm whether the patient has pneumonia. Causes of pneumonia The causes of pneumonia include bacteria, viruses, and […]

What is keratitis? Keratitis is the inflammation of the cornea, caused by various factors. The cornea, the transparent front part of the eye, is often referred to as the “window to the soul.”   Causes of keratitis The causes of keratitis can be classified into infectious and non-infectious types. Infectious keratitis can be caused by […]

What is severe acute respiratory syndrome? Severe Acute Respiratory Syndrome (SARS) is an infectious disease that first emerged in November 2002 in Guangdong, China, and rapidly spread to Hong Kong, Singapore, Canada, and other parts of the world within a few months. It occurs when the SARS-coronavirus invades the human respiratory system. It is classified […]

What is Scurvy? Scurvy is a clinical syndrome caused by a deficiency of vitamin C (ascorbic acid), leading to symptoms in various parts of the body where connective tissue is present. Vitamin C (ascorbic acid) is an essential nutrient that the body cannot synthesize and can only be obtained from food. It plays a crucial […]