作者：Nada alzubaidi 4 年以前
606
Corona
Originating from Wuhan, China, in late 2019, the coronavirus, specifically SARS-CoV-2, led to the global COVID-19 pandemic. The virus transmits primarily through droplets from coughing, sneezing, or talking, with a 14-day incubation period.
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https://www.medicalnewstoday.com/articles/how-do-sars-and-mers-compare-with-covid-19#COVID-19. https://coronavirus.jhu.edu/ The name “coronavirus” comes from the crown-like projections on their surfaces. “Corona” in Latin means “crown.” Corona (enveloped RNA viruses) Other Corona viruses (less severe) SARS-CoV-1 Deaths: 812 Total number of caseses: 8,439 # of cases in the U.S.: 73 Transmission: Droplets produced by coughing, sneezing, talking, or breathing first occurred in China’s Guangdong province in November 2002. horseshoe bats as the natural reservoir Severe acute respiratory syndrom A cough (dry at first), a fever, and diarrhea in the first or second week of illness, or both SARS-CoV-2 Measures applied to stop the spread airports closed Ban gatherings Online learning
no parties
no schools
Lockdown risk groups Travelers Health care workers older people Prevention: Avoid touching face with unwashed hands Social distancing 2 meters away
Covering mouth Washing hands with soup No specicf treatment/No vaccine Total deaths on 15/07/2020 is: 579,546 Total Deaths in U.S. on 15/07/2020 :136,699 total number of cases on15/07/2020 is : 13,360,401 # of cases in the U.S. on 15/07/2020 is: 3,434,636 transmission: Droplets produced by coughing, sneezing, or talking, limited evidence of other routes Incubation :14 days emerged in a seafood and poultry market in the Chinese city of Wuhan in Septtember 2019. causes COVID-19 pandemic symptoms: A fever, a dry cough, shortness of breath MERS-CoV No specific treatment / No vaccine Deaths : 866 Total number of cases: 2,519 # of cases in U.S:2 Transmission: Droplets from person to person, unclear from camels to humans zoonotic virus from animals to humans First isolated from 60-years man's sputum in Saudia Arabia in september 2012. Causes Middle East Respiratory Syndrome Symptoms: A fever, a cough sore throat, runny nose, shortness of breath
