3 March 2010 -- As of 12 February 2010, According to the US Centers for Disease Control and Prevention (CDC), it is estimated* that since the beginning of the pandemic, the US has had approximately 57 million cases of A-H1N1/09 Pandemic Swine Flu and approximately 11,690 resulting deaths. Based upon this, an estimate of the mortality rate in the US from the pandemic is 0.02%.