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At the end of 2019, a new type of coronavirus started spreading in China. This type of coronavirus is often called 2019-nCoV, novel coronavirus, or COVID-19. It is believed that the virus was transmitted from animals to humans. Some of the first cases were diagnosed in people who had visited a market selling live seafood and animals. Unfortunately, when viruses are transmitted from animals to people, it can take scientists a lot of time before they can develop a vaccine or medicines to cure it.
Question :
What is the source of the coronavirus?