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Strep throat, a bacterial infection, is the cause in about 25% of children and 10% of adults. [2] Uncommon causes include other bacteria such as gonococcus, fungi, irritants such as smoke, allergies, and gastroesophageal reflux disease. [2] [4] Specific testing is not recommended in people who have clear symptoms of a viral infection, such as a ...
An upper respiratory tract infection ( URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [3] [4] This commonly includes nasal obstruction, sore throat, tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, and the common cold.
Sore throat. Pharyngitis —inflammation of the back of the throat—caused by a virus is the most common cause of a sore throat. Sore throat, also known as throat pain, is pain or irritation of the throat. [ 1] Usually, causes of sore throat include: viral infections. group A streptococcal infection (GAS) bacterial infection [ 2]
Herpangina, also called mouth blisters, is a painful mouth infection caused by coxsackieviruses. Usually, herpangina is produced by one particular strain of coxsackie virus A (and the term "herpangina virus" refers to coxsackievirus A), [ 1] but it can also be caused by coxsackievirus B or echoviruses. [ 2]
Known causes of duodenitis include: [2] Helicobacter pylori infection; Coeliac disease; Bacterial infection; Viral infection; NSAIDs; Autoimmune diseases (i.e. Crohn's disease) Duodenal lymphocytosis; Idiopathic
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [ 1] Examples are the common cold, gastroenteritis and pneumonia. [ 2]
Herpes esophagitis. Herpes esophagitis is a viral infection of the esophagus caused by Herpes simplex virus (HSV). While the disease most often occurs in immunocompromised patients, including post- chemotherapy, immunosuppression with organ transplants [1] and in AIDS, [2] herpes esophagitis can also occur in immunocompetent individuals.
Common pathogens include bacteria, viruses, fungi, and parasites and among them, bacterial infection is the leading cause of milk borne diseases. Despite the popularity of pasteurisation in modern days, the risk of contamination cannot be eliminated. Infection can turn milk into an optimal vehicle of disease transmission by contamination in ...