There are more than 4.3 million new cases of pneumonia in the world, and more than 20,000 new cases in the United States, where the epidemic is most severe. WHO experts believe that the new coronavirus may never disappear, and it will evolve into AIDS. It is still a long way to control the epidemic, and it is difficult to predict when it can be controlled.
Ryan, the executive director of the WHO emergency project, said that without the vaccine, it will take many years for people to have sufficient immunity. There are currently more than 100 potential epidemic diseases under development. Being confident can effectively fight the virus.
He took HIV as an example again, pointing out that the virus never disappeared, but developed effective treatment methods so that patients can coexist with the virus.