NIH scientists find earliest known evidence of 1918 influenza pandemic
Tuesday, September 20, 2011 - 02:30
in Health & Medicine
Examination of lung tissue and other autopsy material from 68 American soldiers who died of respiratory infections in 1918 has revealed that the influenza virus that eventually killed 50 million people worldwide was circulating in the United States at least four months before the 1918 influenza reached pandemic levels that fall.