![]() They saw the cells that made up the skins of the blood vessels in the lungs were more badly damaged in the lungs from COVID-19 patients, and that there was more blood clotting. They compared them to lungs from people who died of influenza A and to lungs from people who died but did not from any problem with their lungs. Scientists looked at the lungs from people who died of COVID-19. Fluids, pus, and dead cell material flood the lung, causing the coronavirus pulmonary disease. Each type II cell which is killed by the virus causes an extreme reaction in the lungs. COVID-19 finds a way into a surfactant producing type II cell, and smothers it by reproducing COVID-19 virus within it. The other, type II, produces surfactants, which help keep the lungs fluid, clean, infection free, etc. One cell, type I, absorbs from the air, i.e. The expanding part of the lungs, pulmonary alveoli, have two main types of cells. They also wanted the name to be easy to say out loud. They said they did not want the name to have any person, place, or animal in it, like "Wuhan," because then people might blame the disease on that place, person, or animal. In February 2020, the World Health Organization announced they had chosen a name for the disease caused by SARS-CoV-2: COVID-19, replacing the temporary name "2019-nCoV." "Co" is for "corona," "Vi" for "virus," and "D" for "disease," and "19" for the year 2019. They said about 7.7% of COVID-19 patients threw up, about 7.8% had diarrhea, and about 3.6% had pain in their stomachs. Īccording to an April 2020 study by the American Gastroenterological Association, COVID-19 can make sick people vomit or have diarrhea but this is rare. They often also have a fever, chills, headache, pain in their muscles, or trouble tasting or smelling things. People usually cough and have difficulty breathing. ![]() Signs and symptoms Symptoms of COVID-19 SymptomĪccording to the United States Center for Disease Control and Prevention, COVID-19 makes people feel sick in different ways, but it usually affects the lungs. The COVID-19 virus travels from one person to another through air droplets. Some infected people are asymptomatic carriers, which means that they spread the virus without anybody knowing they're sick. COVID-19 has killed more than six million people around the world. In severe cases, COVID-19 can kill people. ![]() In some cases, people might wheeze, have difficulty breathing, have fewer white blood cells, or not be hungry. A sore throat, runny nose, or sneezing is less common. People who get the disease might get fever, dry cough, fatigue (tiredness), loss of taste or smell, and shortness of breath. The disease is the cause of the COVID-19 pandemic. RRT-PCR testing, CT scan, Rapid antigen testįace coverings, quarantine, physical/ social distancing, ventilation, hand washing, vaccination Ĭoronavirus disease 2019 ( COVID-19) is an infectious disease caused by SARS coronavirus 2 (SARS-CoV-2), a virus closely related to the SARS virus. Pneumonia, viral sepsis, acute respiratory distress syndrome, kidney failure, cytokine release syndrome, respiratory failure, pulmonary fibrosis, pediatric multisystem inflammatory syndrome, chronic COVID syndrome / k ə ˈ r oʊ n ə ˌ v aɪ r ə s d ɪ ˈ z iː z/įever, cough, tiredness ( fatigue), shortness of breath, vomiting, loss of taste or smell sometimes without any symptoms.
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