Although researchers continue to debate the exact location where the pandemic began, there is no credible evidence that anything other than H1N1, a type of influenza A virus, was responsible for it.

A pair of lungs preserved over a century ago from a deceased Spanish flu patient has helped unravel the genetic adaptations undergone by the virus to spread across Europe during the start of the 1918 ...

The 1918 influenza pandemic remains the deadliest in modern history, killing tens of millions — and leaving scientists with enduring questions about how it began. A century later, a virologist and ...

From the closing of borders to mandatory quarantines, governments around the world are taking drastic steps to try to contain the coronavirus pandemic. Past outbreaks provide a blueprint for ...

A misunderstanding about the microbe that actually causes the flu created a ripple effect that changed the future of U.S. drug development, clinical trials, and pandemic preparedness. A woman wears an ...

Part I: An abrupt introduction to Spanish influenza -- The great shadow -- Part 2: Spanish influenza: The first wave--spring and summer, 1918 -- The advance of the influenza virus -- Three explosions- ...

A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

In 1918, a strain of influenza known as Spanish flu caused a global pandemic, spreading rapidly and killing indiscriminately. Young, old, sick and otherwise-healthy people all became infected — at ...

The COVID-19 pandemic has now killed roughly the same amount of people who died from the 1918 Spanish flu. According to Johns Hopkins, more than 675,000 Americans have died from COVID-19. The Centers ...

The 1918 Flu Pandemic: Trench Fever - The flu arrived in France. It found a pleasant home in the crowded wartime trenches, much to the dismay of the Allies who tried to keep the flu a secret. When it ...