503 Possible Causes for Legionnaires' Disease in USA

  • Psittacosis
    Legionnaires' Disease

    Psittacosis is a contagious animal disease bearing the capability of transmission to humans and caused as a result of a Chlamydia psittaci infection. Humans can be infected from parrots, pigeons, ducks, hens, and many other bird species. The incubation period for psittacosis is 1 to 4 weeks. The majority of…[1]

  • Drug-induced Neutropenia
    Legionnaires' Disease

    Drug-induced neutropenia is a potentially life-threatening complication that may be seen after the use of numerous drugs, including antipsychotics, antibiotics, antithyroid agents, but most importantly, chemotherapeutic drugs. Depending on the severity of neutropenia, patients are at a risk for developing various…[2]

  • Bacterial Pneumonia
    Legionnaires' Disease

    Updated | The death count from Legionnaires' disease has now reached double digits in New York City, and health officials in Cleveland, Ohio say a woman who was diagnosed … Legionnairesdisease is a type of bacterial pneumonia caused by the Legionella bacteria that can lead to a serious—and sometimes fatal—respiratory illness. … Doctors at the time were unable to identify the source of the illness, so it became known as Legionnairesdisease.[3]

  • Chronic Lymphocytic Leukemia
    Legionnaires' Disease

    The average age of CLL patients is more than 70 years and it should be noted that a complex clinical picture occurs in more than half of the cases due to coexisting diseases. The CLL itself leads to unspecific symptoms such as general malaise and weakness, possibly also to fever, night sweats and weight loss. In…[4]

  • Congestive Heart Failure
    Legionnaires' Disease

    Congestive heart failure (CHF) or congestive cardiac failure (CCF) refers to chronic, usually biventricular failure of the heart. The patients of congestive cardiac failure present with features of left and right heart failure. The clinical manifestations are as below. Features due to left heart failure: Dyspnea,…[5]

  • Mycoplasma Pneumonia
    Legionnaires' Disease

    Differential Diagnosis Viral infections- adenoviruses, parainfluennza, influenza Chlamydia pneumonia Legionnaire's disease Bacterial pneumonias Diagnosis Diagnostic tests[6]

  • Pneumocystis Carinii Pneumonia
    Legionnaires' Disease

    Pneumocystis carinii pneumonia is a severe form of infection and inflammation of the lungs that primarily affects immunodeficient individuals. Its causative agent pertains to the genus Pneumocystis. The clinical picture presented by PP patients may be dominated by symptoms associated with pneumonia, other…[7]

  • Legionnaires' Disease

    What is the history of Legionnaires' disease? … How is Legionnaires' disease spread? … How common is Legionnaires' disease?[8]

  • Fatigue
    Legionnaires' Disease

    Myalgic encephalomyelitis or chronic fatigue syndrome ( ME/CFS ) is a condition where you have long-term disabling tiredness (fatigue). Most people with also have one or more other symptoms such as muscular pains, joint pains, disturbed sleep patterns, poor concentration or headaches. The cause is not known.…[9]

  • Acquired Immunodeficiency Syndrome
    Legionnaires' Disease

    Acquired immunodeficiency syndrome (AIDS) is considered to be the most severe stage of human immunodeficiency virus (HIV) infection. It is life-threatening if therapy is not initiated immediately. Patients present with constitutional symptoms of variable severity, wasting, and numerous AIDS-defining illnesses. Clinical…[10]

Legionnaires' Disease

Legionnaires' disease is a type of pneumonia caused by Legionella pneumophila, which was first identified in July 1976, when an outbreak occurred among people attending the 58th annual convention of the American Legion in Philadelphia.

Further symptoms

Similar symptoms


  1. Psittacosis, https://www.symptoma.com/en/info/psittacosis
  2. Drug-induced Neutropenia, https://www.symptoma.com/en/info/drug-induced-n…
  3. What Is Legionnaires’ Disease and Should You Be Concerned?, http://www.newsweek.com/what-legionnaires-disea…
  4. Chronic Lymphocytic Leukemia, https://www.symptoma.com/en/info/chronic-lympho…
  5. Congestive Heart Failure, https://www.symptoma.com/en/info/congestive-hea…
  6. Mycoplasma Pneumoniae | Pediatrics Clerkship, https://pedclerk.bsd.uchicago.edu/page/mycoplas…
  7. Pneumocystis Carinii Pneumonia, https://www.symptoma.com/en/info/pneumocystis-c…
  8. Legionnaires' Disease Treatment, Prevention & Outbreaks, http://www.medicinenet.com/legionnaire_disease_…
  9. ME and Chronic Fatigue Syndrome. M E at Patient, http://patient.info/health/chronic-fatigue-syndromeme
  10. Acquired Immunodeficiency Syndrome, https://www.symptoma.com/en/info/acquired-immun…