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  2. Symptoms of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Symptoms_of_COVID-19

    Cough is another typical symptom of COVID-19, which could be either dry or a productive cough. [2] Some symptoms, such as difficulty breathing, are more common in patients who need hospital care. [1] Shortness of breath tends to develop later in the illness. Persistent anosmia or hyposmia or ageusia or dysgeusia has been documented in 20% of ...

  3. Silent hypoxia - Wikipedia

    en.wikipedia.org/wiki/Silent_hypoxia

    In COVID-19, the arterial and general tissue oxygen levels can drop without any initial warning.The chest x-ray may show diffuse pneumonia.Cases of silent hypoxia with COVID-19 have been reported for patients who did not experience shortness of breath or coughing until their oxygen levels had depressed to such a degree that they were at risk of acute respiratory distress (ARDS) and organ failure.

  4. Is it COVID-19, the flu, allergies or a regular ol’ cold ...

    www.aol.com/covid-19-flu-allergies-regular...

    These are the different symptoms and treatments for common respiratory conditions. Is it COVID-19, the flu, allergies or a regular ol’ cold? Here’s how to tell the difference

  5. COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic

    A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...

  6. Sore throat, then congestion: Common Covid symptoms ... - AOL

    www.aol.com/news/sore-throat-then-congestion...

    The sore throat usually arrives first, he said, then congestion. The Zoe COVID Symptom Study, which collects data on self-reported symptoms in the U.K. through smartphone apps, has documented the ...

  7. JN.1 accounts for over 90% of US COVID cases: Know these symptoms

    www.aol.com/news/covid-variant-spreading-fast-us...

    Nearly all COVID-19 cases in the United States right now are being caused by one, highly contagious variant called JN.1. The fast-spreading omicron subvariant currently accounts for over 93% of ...

  8. These Are the Leading Causes of Death in the U.S.—COVID-19 ...

    www.aol.com/lifestyle/leading-causes-death-u...

    The CDC released its annual list of the leading causes of death in the U.S. Here's what you need to know, including the top reasons Americans died in 2023.

  9. Coronavirus diseases - Wikipedia

    en.wikipedia.org/wiki/Coronavirus_diseases

    Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.