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Are influenza vaccinations the same worldwide?
There's one vaccine composition for the southern hemisphere and one for the northern hemisphere each year.
The WHO publishes the composition recommendations.
For example, the composition for the 2019/...
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Map of ragweed infested countries
https://www.polleninfo.org/fileadmin/template/img/chartimages/currency/resized/POAC_06_1.gif
According to the little number on the lower left, this is from 2012. The situation is worse than I ...
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