RIO DE JANEIRO, BRAZIL - Microbiologist and physician Yuen Kwok-yung announced that researchers in Hong Kong have already developed a vaccine against China's new coronavirus. However, it still needs to be tested on animals, which should take some time, according to a report in the South China Morning Post.
Kwok-yung, director of the infectious disease center at the University of Hong Kong, has not specified a deadline for the development of the vaccine against China's new coronavirus. He believes that the time for animal testing could take months and that an additional year for human testing will . . .