Spanish flu, reportedly caused by the h1n1 virus began 9 months before the end of the first world war. Lasting just over 2 years, according to reports it was one of the world’s deadliest epidemics resulting in an estimated 20-50 million deaths worldwide. The mass deprivation, injury and disease of ww1 is thought to have been a factor. Covid 19 is believed to have resulted in nearly two million one hundred thousand deaths. According to a report recent studies do not correlate with theories of contamination from chinese bats. UK fatalities are estimated at 127,100, Russia 102,986, France 98,778, Germany 78,452, Spain 76,525, Poland 58,481, Ukraine 37,381, Turkey 33,939, Romania 25,248, Portugal 16,918, Netherlands 16,770 and Sweden 13,718. Other strains of corona virus are listed as sars, severe acute respiratory syndrome noted in China in 2002 and lasting until 2004, and mers or middle eastern respiratory syndrome, beginning 2012 and leaving chronic symptoms.
Reportedly, the Russian flu pandemic of 1977 was caused by the h1n1 virus. Noted in both China and Russia, it resulted in an estimated 700,000 deaths. According to a report, since 1977 the virus has conjoined with the h3n2 virus that causes influenza. Seasonal flu kills around 600,000 people per year. A swine flu pandemic reported in January 20o9 and lasting until August 2010 was said to be a new strain of h1n1 combined with a pig flu virus.