1/ Best history of vampire sneeze so far...
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2/ Earliest mention is from Sweden, but probably an informal practice rather than health department
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Taught in Sweden for decades. I like the branding though, never heard that before.
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3/ After that it appears to have been part of a CDC recommendation around 2009 for H1N1
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4/ Then schoolkids in California named it the dracula sneeze (officially, "prophylactic sneezing") blogs.reuters.com/environment/20
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