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Coronavirus - World Health Organization (WHO)
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.
COVID-19 symptoms, spread and prevention
COVID-19 is a highly contagious disease. Symptoms range from mild to severe. Most people recover within a few days. Some people stay unwell far longer with long COVID. Getting vaccinated is the best protection.
World Health Organization (WHO)
The United Nations agency working to promote health, keep the world safe and serve the vulnerable.
Coronavirus disease 2019 (COVID-19) - Symptoms and causes
Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.
Medical Diseases & Conditions - Mayo Clinic
Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.
Testing positive for COVID-19 - Department of Health and Aged Care
Anyone diagnosed with COVID-19 can pass the virus onto others. Find out how to manage symptoms and protect those around you if you test positive for COVID-19.
Sepsis - Symptoms & causes - Mayo Clinic
Symptoms of sepsis Symptoms of sepsis may include: Change in mental status. Fast, shallow breathing. Sweating for no clear reason. Feeling lightheaded. Shivering. Symptoms specific to the type of infection, such as painful urination from a urinary tract infection or worsening cough from pneumonia. Symptoms of sepsis are not specific. They can vary from person to person, and sepsis may appear ...
Coronavirus disease (COVID-19)
WHO fact sheet on COVID-19, including information on symptoms, transmission, treatment, prevention, vaccines and and WHO's work in this area.
Rotavirus - Symptoms & causes - Mayo Clinic
Symptoms In adults, rotavirus infection doesn’t tend to causes symptoms or causes mild symptoms. In children and others, symptoms often start within two days of exposure to the virus. Symptoms include: Fever and vomiting. These are often the first symptoms people have, but they tend to improve by the second day. Diarrhea.
Long COVID: Lasting effects of COVID-19 - Mayo Clinic
COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.
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