This Pandemic Is Not Even the 'Big One'
Image: Andriy Onufriyenko/Getty Images As bad as Covid-19 seems, the world has grown increasingly vulnerable to an even deadlier global outbreak that experts expect is inevitable. It’s unclear when and where a more aggressive pathogen will emerge, but scientists say it will almost surely threaten an even worse pandemic than Covid-19. “This pandemic has been very severe, has spread around the world extremely quickly, it has affected every corner of this planet. But this is not necessarily the big one,” says Mike Ryan, MD, an expert on emerging epidemics and executive director of the Emer...