
Pneumonia - World Health Organization (WHO)
Nov 11, 2011 · Pneumonia is an infection of the lungs that is most commonly caused by viruses or bacteria. These infections are generally spread by direct contact with infected people. …
Pneumonia in children - World Health Organization (WHO)
Nov 11, 2022 · WHO fact sheet on pneumonia in children provides key facts and information on causes, presenting features, economic costs, treatment, prevention and WHO response.
Legionellosis - World Health Organization (WHO)
Sep 6, 2022 · Legionellosis fact sheet provides key facts and information on cause, transmission, extent of disease, symptoms and response.
Pneumococcal disease - World Health Organization (WHO)
<p>Diseases caused by (pneumococc) constitute a major global public health problem. Serious diseases that are often caused by pneumococci include pneumonia, meningitis and …
Human metapneumovirus (hMPV) infection
Jan 10, 2025 · It can make a few people quite sick, causing infection of the lung (pneumonia) or inflammation of the airways to the lungs (bronchiolitis, bronchitis). Symptoms of more severe …
Legionellosis (Legionnaires' disease)
Dec 23, 2016 · Legionnaires' disease is caused by exposure to a bacterium that is found in water and soil. It ranges in severity from a mild influenza-like illness to a serious and sometimes fatal …
Influenza (seasonal) - World Health Organization (WHO)
Feb 28, 2025 · WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response.
Chronic obstructive pulmonary disease (COPD)
Nov 6, 2024 · WHO fact sheet on chronic obstructive pulmonary disease (COPD) provides key facts and information on symptoms, diagnosis and treatment, risk factors and WHO response.
Measles - World Health Organization (WHO)
Nov 14, 2024 · Measles remains one of the leading causes of death among young children globally, despite the availability of a safe and effective vaccine.
Pertussis - World Health Organization (WHO)
Nov 26, 2023 · Pneumonia is a relatively common complication, and seizures and brain disease occur rarely. People with pertussis are most contagious up to about 3 weeks after the cough …