<P> The 1918 flu pandemic ( January 1918 -- December 1920 ) , also known as the Spanish flu , was an unusually deadly influenza pandemic , the first of the two pandemics involving H1N1 influenza virus . It infected 500 million people around the world , including people on remote Pacific islands and in the Arctic , and resulted in the deaths of 50 to 100 million ( three to five percent of the world 's population ) , making it one of the deadliest natural disasters in human history . </P>
<P> The 1918 flu pandemic ( January 1918 -- December 1920 ) , also known as the Spanish flu , was an unusually deadly influenza pandemic , the first of the two pandemics involving H1N1 influenza virus . It infected 500 million people around the world , including people on remote Pacific islands and in the Arctic , and resulted in the deaths of 50 to 100 million ( three to five percent of the world 's population ) , making it one of the deadliest natural disasters in human history . </P>
where was the 1918 influenza pandemic outbreak located
where was the 1918 influenza pandemic outbreak located
remote Pacific islands the Arctic
remote Pacific islands the Arctic