The pandemic of H1N1 virus in 1918 infected about one-third of the world’s population, causing at least 50 million deaths, including more than a half-million in the United States. Martha Teichner reports. Source
The pandemic of H1N1 virus in 1918 infected about one-third of the world’s population, causing at least 50 million deaths, including more than a half-million in the United States. Martha Teichner reports. Source