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  1. Human metapneumovirus (hMPV) infection

    Jan 10, 2025 · Human metapneumovirus is a common cause of upper respiratory infections among infants and children under 5 years old. While anyone can catch hMPV, infants, older …

  2. Coronavirus - World Health Organization (WHO)

    Sep 29, 2025 · Coronavirus disease (COVID-19)The virus can spread from an infected person’s mouth or nose in small liquid particles when they cough, sneeze, speak, sing or breathe. …

  3. Shingles (herpes zoster)

    Mar 24, 2025 · WHO fact sheet on shingles (herpes zoster), including key facts, risk factors, symptoms, transmission, diagnosis, treatment and WHO response.

  4. Avian Influenza A (H5N5) - United States of America

    4 days ago · Human infection with avian influenza viruses may result in a spectrum of illness, ranging from mild upper respiratory tract symptoms to severe, life-threatening conditions. …

  5. Anxiety disorders - World Health Organization (WHO)

    Sep 8, 2025 · WHO fact sheet about anxiety disorders, including information on symptoms, contributing factors, prevention, diagnosis, treatment, self-care and WHO's work in this area.

  6. Sickle-cell disease - World Health Organization (WHO)

    Aug 6, 2025 · WHO fact sheet on sick-cell disease, including information on causes and risk factors, symptoms, diagnosis, treatment, prevention and management and WHO's work on the …

  7. 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.

  8. Post COVID-19 condition (Long COVID)

    Dec 7, 2022 · Post COVID-19 Condition, commonly known as long COVID, can affect anyone exposed to SARS-CoV-2, regardless of age or severity of original symptoms. Definition It is …

  9. Depressive disorder (depression)

    Aug 29, 2025 · WHO fact sheet on depression, providing information on prevalence, symptoms, prevention and contributing factors, diagnosis and treatment, and WHO's work in the area.

  10. COVID-19 symptoms and severity - World Health Organization …

    Jul 19, 2021 · COVID-19: symptoms Symptoms of COVID-19 can vary, but mild cases often experience fever, cough, and fatigue. Moderate cases may have difficulty breathing or mild …