It’s an unusual move that raises ethical and safety questions, as companies and governments worldwide race to develop a vaccine that will stop the spread of the new coronavirus. Chinese companies earlier drew attention for giving the vaccine to their top executives and leading researchers before human trials to test their safety and efficacy had even begun. A Chinese health official said Friday that China, which has largely eradicated the disease, needs to take steps to prevent it from coming back.
It’s an unusual move that raises ethical and safety questions, as companies and governments worldwide race to develop a vaccine that will stop the spread of the new coronavirus. Chinese companies earlier drew attention for giving the vaccine to their top executives and leading researchers before human trials to test their safety and efficacy had even begun. A Chinese health official said Friday that China, which has largely eradicated the disease, needs to take steps to prevent it from coming back.