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  2. Lower respiratory tract infection - Wikipedia

    en.wikipedia.org/wiki/Lower_respiratory_tract...

    Lower respiratory tract infection (LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including lung abscess and acute bronchitis. Symptoms include shortness of breath , weakness, fever , coughing and fatigue. [ 3 ]

  3. Pneumonia - Wikipedia

    en.wikipedia.org/wiki/Pneumonia

    Specifically, 23% had one or more viruses, 11% had one or more bacteria, 3% had both bacterial and viral pathogens, and 1% had a fungal or mycobacterial infection. "The most common pathogens were human rhinovirus (in 9% of patients), influenza virus (in 6%), and Streptococcus pneumoniae (in 5%)."

  4. Parasitic pneumonia - Wikipedia

    en.wikipedia.org/wiki/Parasitic_pneumonia

    Parasitic pneumonia is a type of pneumonia caused by parasites.Pneumonia is an inflammatory condition of the lungs, most commonly caused by bacteria or viruses. [1] Parasites are an uncommon cause of pneumonia, usually affecting immunocompromised individuals or those in underdeveloped countries. [2]

  5. What are the signs of a bacterial infection? Experts explain.

    www.aol.com/lifestyle/signs-bacterial-infection...

    Certain bacterial infections can be serious and in some cases, life-threatening, say experts. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food. Games ...

  6. Bacterial pneumonia - Wikipedia

    en.wikipedia.org/wiki/Bacterial_pneumonia

    Atypical bacteria causing pneumonia are Coxiella burnetii, Chlamydophila pneumoniae (), Mycoplasma pneumoniae (), and Legionella pneumophila.. The term "atypical" does not relate to how commonly these organisms cause pneumonia, how well it responds to common antibiotics or how typical the symptoms are; it refers instead to the fact that these organisms have atypical or absent cell wall ...

  7. Bronchitis - Wikipedia

    en.wikipedia.org/wiki/Bronchitis

    In more than 90% of cases, the cause is a viral infection. [4] These viruses may be spread through the air when people cough or by direct contact. [6] A small number of cases are caused by a bacterial infection such as Mycoplasma pneumoniae or Bordetella pertussis. [4] Risk factors include exposure to tobacco smoke, dust, and other air ...

  8. Upper respiratory tract infection - Wikipedia

    en.wikipedia.org/wiki/Upper_respiratory_tract...

    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 .

  9. Tracheitis - Wikipedia

    en.wikipedia.org/wiki/Tracheitis

    Bacterial tracheitis is a bacterial infection of the trachea and is capable of producing airway obstruction. [citation needed] One of the most common causes is Staphylococcus aureus and often follows a recent viral upper respiratory infection. Bacterial tracheitis is a rare complication of influenza infection. [4]