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  2. Chronic respiratory diseases - World Health Organization (WHO)

    www.who.int/health-topics/chronic-respiratory-diseases

    Chronic respiratory diseases (CRDs) affect the airways and other structures of the lungs. Some of the most common are chronic obstructive pulmonary disease (COPD), asthma, occupational lung diseases and pulmonary hypertension. In addition to tobacco smoke, other risk factors include air pollution, occupational chemicals and dusts, and frequent ...

  3. Asthma - World Health Organization (WHO)

    www.who.int/news-room/fact-sheets/detail/asthma

    Asthma is a chronic lung disease affecting people of all ages. It is caused by inflammation and muscle tightening around the airways, which makes it harder to breathe. Symptoms can include coughing, wheezing, shortness of breath and chest tightness. These symptoms can be mild or severe and can come and go over time.

  4. Chronic obstructive pulmonary disease (COPD)

    www.who.int/news-room/fact-sheets/detail/chronic-obstructive-pulmonary-disease...

    Overview. Chronic obstructive pulmonary disease (COPD) is a common lung disease causing restricted airflow and breathing problems. It is sometimes called emphysema or chronic bronchitis. In people with COPD, the lungs can get damaged or clogged with phlegm. Symptoms include cough, sometimes with phlegm, difficulty breathing, wheezing and tiredness.

  5. Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention. Older people and those with underlying medical ...

  6. Middle East respiratory syndrome coronavirus (MERS-CoV)

    www.who.int/news-room/fact-sheets/detail/middle-east-respiratory-syndrome...

    Middle East respiratory syndrome (MERS) is a viral respiratory disease caused by Middle East respiratory syndrome coronavirus (MERSā€CoV) that was first identified in Saudi Arabia in 2012. Coronaviruses are a large family of viruses that can cause diseases ranging from the common cold to Severe acute respiratory syndrome (SARS) and Coronavirus ...

  7. Chronic respiratory diseases (asthma, COPD) - World Health...

    www.who.int/westernpacific/health-topics/chronic-respiratory-diseases

    Chronic respiratory diseases are diseases of the airways and other structures of the lung. Some of the most common are asthma, chronic obstructive pulmonary disease (COPD), occupational lung diseases and pulmonary hypertension. In addition to tobacco smoke, other risk factors include air pollution, occupational chemicals and dusts, and frequent ...

  8. Chronic respiratory diseases - World Health Organization (WHO)

    www.who.int/europe/news-room/fact-sheets/item/chronic-respiratory-diseases

    Chronic respiratory diseases are chronic diseases of the airways and other structures of the lung. Some of the most common are asthma, chronic obstructive pulmonary disease (COPD), respiratory allergies, occupational lung diseases and pulmonary hypertension. The most important risk factors for developing or exacerbating preventable chronic ...

  9. Coronavirus disease (COVID-19) - World Health Organization (WHO)

    www.who.int/news-room/fact-sheets/detail/coronavirus-disease-(covid-19)

    COVID-19 is the disease caused by the SARS-CoV-2 coronavirus. It usually spreads between people in close contact. COVID-19 vaccines provide strong protection against severe illness and death. Although a person can still get COVID-19 after vaccination, they are more likely to have mild or no symptoms. Anyone can get sick with COVID-19 and become ...

  10. Upsurge of respiratory illnesses among children-Northern China

    www.who.int/emergencies/disease-outbreak-news/item/2023-DON494

    At a press conference on 13 November 2023, China’s National Health Commission reported on a nationwide increase in the incidence of respiratory diseases, predominantly affecting children. Chinese authorities attributed this increase to lifting of COVID-19 restrictions and the arrival of the cold season, and due to circulating known pathogens ...

  11. Middle East respiratory syndrome coronavirus (MERS-CoV)

    www.who.int/health-topics/middle-east-respiratory-syndrome-coronavirus-mers

    A typical presentation of MERS-CoV disease is fever, cough and shortness of breath. Pneumonia is a common finding, but not always present. Gastrointestinal symptoms, including diarrhoea, have also been reported. Severe illness can cause respiratory failure that requires mechanical ventilation and support in an intensive care unit.