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COVID-19 is caused by infection with the severe acute respiratory syndrome coronavirus 2, also called SARS-CoV-2. The coronavirus spreads mainly from person to person, even from someone who is infected but has no symptoms. When people with COVID-19 cough, sneeze, breathe, sing or talk, their breath may be infected with the COVID-19 virus.
13 cze 2024 · Many people with COVID-19 have no symptoms or mild illness. Of people who report symptoms, more than half have a stuffy or runny nose, headache, sore throat and cough. Some people have a feeling of tightness in their chest, or trouble catching their breath.
27 kwi 2020 · COVID-19, the disease caused by the SARS-CoV-2 virus, affects people in many ways. Early symptoms have included fever, cough and chills. The list of symptoms in people with confirmed COVID-19 disease has expanded since early reports of the disease.
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.
11 sty 2022 · Abstract. Coronavirus disease 2019 (COVID-19) is the third deadly coronavirus infection of the 21st century that has proven to be significantly more lethal than its predecessors, with the number of infected patients and deaths still increasing daily.
15 wrz 2023 · Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases, such as MERS (Middle East respiratory syndrome) and SARS (severe acute respiratory syndrome). Coronaviruses are transmitted between animals and people.
31 mar 2020 · SARS-Co-V2 is a novel virus, causing the disease COVID-19. Because COVID-19 is a new disease, much is still being learned about how it spreads and the severity of illness it causes.
