![](https://elitemedicalcentre.com.au/wp-content/uploads/2020/04/coronavirus-closeup-1024x512.jpg)
Corona
According to the World Health Organisation, 16-21% of people with the virus in China became severely ill and 2-3% of those infected have died. A key factor that influences transmission is whether the virus can spread in the absence of symptoms – either during the incubation period (the days before people become visibly ill) or in people who never