Ebola’s average mortality rate is 50 per cent.. A top physician says it will be necessary to keep “vaccinating the world for years” in order to prevent a COVID strain as deadly as Ebola from developing. The comments were made earlier today by Frank Ulrich Montgomery, chairman of the global physicians’ society the World Medical Association (WMA). “My great concern is that there could be a variant that is as infectious as Delta and as dangerous as Ebola,” he told the newspapers of the Funke media group. According to Montgomery, “It will be necessary to vaccinate the world for years...