The 1918 influenza pandemic has been aptly described as the mother of all pandemics. It led to the death of approximately 50 million people worldwide. A lot of questions about the pandemic still remain unanswered. Its unusual epidemiological features, the factors contributing to its high pathogenecity among other things are not known. It is estimated that about one third of the world population was infected by the virus and case fatality rate was >2.5% when compared to <0.1% in other influenza pandemics.
I believe that it is imperative for all these unanswered questions to be unanswered as ...