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Bookmark or Share- COVID-19 –a global pandemic - World Health Organization (WHO)l host into human populationsThe first human cases of COVID-19, the coronavirus disease caused by SARS-CoV-2, were first reported from Wuhan. Environmental samples taken in a food market in Wuhan were positive for the virus, concentrated in the area where wild and farmed animal trade was present. The market could be the origin of the virus or ...
- Coronavirus disease (COVID-19): How is it transmitted?The “Three C’s” are a useful way to think about this. They describe settings where transmission of the COVID-19 virus spreads more easily: Close-contact settings, especially where people have conversations very near each other; Confined and enclosed spaces with poor ventilation. The risk of COVID-19 spreading is especially high in places ...
- 冠状病毒病（COVID-19） - World Health Organization (WHO)COVID-19是由SARS-CoV-2冠状病毒引起的疾病。. 通常在密切接触的人员之间传播。. COVID-19疫苗能够有效预防重症和死亡。. 虽然人们在接种疫苗后仍有可能感染COVID-19，但更有可能出现轻微症状或没有症状。. 任何人都有可能感染COVID-19，并且有可能引起严重疾病或 ...
- Advice for the public on COVID-19 – World Health OrganizationThe risks of getting COVID-19 are higher in crowded and inadequately ventilated spaces where infected people spend long periods of time together in close proximity. Outbreaks have been reported in places where people have gather, often in crowded indoor settings and where they talk loudly, shout, breathe heavily or sing such as restaurants ...
- Coronavirus disease (COVID-19) pandemic - World Health Organization (WHO)The coronavirus disease 2019 (COVID-19) pandemic is a global outbreak of coronavirus – an infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Cases of novel coronavirus (nCoV) were first detected in China in December 2019, with the virus spreading rapidly to other countries across the world.
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