A corona virus family causes illness varying from the common cold to more and more severe diseases such as SARS and MERS according to the survey of world health organization.THE CORONA VIRUS is mainly circulating in animals. It can be easily transferred between humans and animals . several more corona viruses are circulating in animals but have not been transferred yet in humans . the new corona virus in its seventh stage in humans is COVID-19 common signs of corona virus include fever, coughing and breathing difficulties. At severe stage it cause pneumonia, OF. 
The incubation period of COVID-19 is 14 days. It is contagious before symptoms appear, that is why so many people get infected. Infected patients can be also asymptomatic, meaning they do not display any symptoms despite having virus in their system. In mainland china , at least 80,000 have been infected, according to official figures. the more infections have now been registered outside of china than inside i.e - ITALY. COVID-19 is thought to have originated in a seafood market where wildlife was sold illegally. On February 7, china researches said virus originated from an infected animal to an healthy human.
The incubation period of COVID-19 is 14 days. It is contagious before symptoms appear, that is why so many people get infected. Infected patients can be also asymptomatic, meaning they do not display any symptoms despite having virus in their system. In mainland china , at least 80,000 have been infected, according to official figures. the more infections have now been registered outside of china than inside i.e - ITALY. COVID-19 is thought to have originated in a seafood market where wildlife was sold illegally. On February 7, china researches said virus originated from an infected animal to an healthy human.
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