Centenary of 20th century’s worst pandemic

University of Wisconsin-Madison microbiology professor Michael Gale also believes such a scenario could certainly happen again.”We have seen several flu pandemics since the 1918 Spanish flu pandemic (1957, 1968, 1977, 2009, for example),” he said. “The 2009 global flu pandemic is considered to have resulted in up to over 200,000 deaths, so flu remains a major public health threat.