Bill Gates Warns That a Coronavirus-like Outbreak Will Probably Happen ‘Every 20 Years or So’ Posted byRosie Perper April 10, 2020 Leave a comment on Bill Gates Warns That a Coronavirus-like Outbreak Will Probably Happen ‘Every 20 Years or So’ Billionaire Bill Gates has been warning about the risk of a pandemic disease for years, stating that a global health crisis like coronavirus could wipe out 30 million people in less than a year.