Update PastPandemics.md
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@ -73,7 +73,7 @@ A large factor in the worldwide occurrence of this flu was increased travel. Mod
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In 1918, older adults may have had partial protection caused by exposure to the 1889–1890 flu pandemic, known as the "Russian flu"
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Another oddity was that the outbreak was widespread in the summer and autumn (in the Northern Hemisphere); influenza is usually worse in winter
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