https://www.livescience.com/46373-swine-flu-spread-united-states.html
Researchers have mapped the transmission of H1N1 'swine flu' as it spread across the United States in the fall of 2009.
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https://www.sciencedaily.com/releases/2009/07/090713212231.htm
Researchers also noted that those people exposed to the 1918 virus, all of whom are now in advanced old age, have antibodies that neutralize the H1N1 virus.
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https://www.sciencetimes.com/articles/26259/20200629/new-swine-flu-strain-china-pandemic-potential-experts-warn.htm
Experts found a new strain of swine flu containing 'essential hallmarks' of another pandemic.
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https://hotnews.ro/france-vs-who-the-swine-flu-hasnt-reached-a-pandemic-level-753958
The French government decided to keep the swine flu at level 5, despite World Health Organisatiom labelling the virus on Thursday with 6, the maximum level,
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