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2024年4月16日 · COVID-19 rebound [PDF – 4 pages] is characterized by a recurrence of symptoms or a new positive test after having tested negative for SARS-CoV-2, the virus that causes COVID-19. Rebound has been reported to occur in some patients, including those treated with antivirals and those who did not take treatment.
2023年12月21日 · With COVID-19 hospitalizations on the rise, it is important that people who get sick and are at higher risk for severe illness get on treatment in the first days of illness because symptoms can change and worsen quickly. While these antivirals are effective at preventing severe disease, not enough people are taking them.
2024年3月1日 · The new guidance brings a unified approach to addressing risks from a range of common respiratory viral illnesses, such as COVID-19, flu, and RSV, which can cause significant health impacts and strain on hospitals and health care workers.
2024年3月15日 · Find links to guidance and information on all topics related to COVID-19, including the COVID-19 vaccine, symptom self-check, data, and other topics.
2024年3月15日 · People with COVID-19 have reported a wide range of symptoms ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus. Anyone can have mild to severe symptoms. Possible symptoms include: Fever or chills. Cough. Shortness of breath or difficulty breathing. Fatigue. Muscle or body aches. Headache.
2024年4月9日 · COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly. Over one million people have died from COVID-19 in the United States. COVID-19 most often causes respiratory symptoms that can feel much like a cold, the flu, or pneumonia.
2024年4月29日 · Reinfection with the virus that causes COVID-19 occurs when you are infected, recover, and then get infected again. You can be reinfected multiple times. Reinfections are most often mild, but severe illness can occur. If you are reinfected, you can also spread the virus to others.
