It seems like the easiest way to avoid tiny parasites is to just slap on your animal’s tick or flea collar and hike into the woods worry-free. But you definitely shouldn’t.
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Sources:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3433317/
https://www.pctonline.com/article/the-history-of-flea-control/
https://www.cdc.gov/lyme/stats/graphs.html