A little over a century earlier, a different pandemic rattled the world. In 1918, an estimated one-third of the world's population contracted the H1N1 "Spanish flu" influenza virus. Deaths are estimated to have topped 50 million worldwide.
A little over a century earlier, a different pandemic rattled the world. In 1918, an estimated one-third of the world's population contracted the H1N1 "Spanish flu" influenza virus. Deaths are estimated to have topped 50 million worldwide.