Corrections to Previous Humans and Viruses pages
Back to Orthomyxoviridae Home
  1. The death toll of the devastating 1918-1919 pandemic is not known, and will likely never be known. Many experts have given estimates in the past of around 20 million deaths. However, current estimations put the global death toll somewhere between 50 and 100 million. This is because it is thought that many cases were undocumented, and therefore unaccounted for. Many of these undocumented cases likely occurred in areas with very dense populations and minimal infrastructure at the time, such as India, China or Africa. (Correction from
  2. Antigenic drift refers to point mutations, whereas antigenic shift refers to reassortment of entire genome segments. (Correction from 

For more corrections, please see Felipe Perez and Claire Nordeen's Corrections page.