You've had the flu. You've had a cold. Maybe you've even had allergies! But how can you tell them apart? And if you even figure out that you do have influenza, are there any treatments you can take that can help?
References:
https://www.health.harvard.edu/staying-healthy/gastroenteritis-in-adults-a-to-z
https://academic.oup.com/aje/article/182/4/294/113092
https://onlinelibrary.wiley.com/doi/full/10.1111/irv.12515
https://www.cdc.gov/flu/about/burden/preliminary-in-season-estimates.htm
https://newsinhealth.nih.gov/2014/10/cold-flu-or-allergy
https://journals.plos.org/globalpublichealth/article?id=10.1371/journal.pgph.0000221
https://www.cdc.gov/mmwr/volumes/71/wr/mm7150a4.htm
https://www.nature.com/articles/s41598-019-39683-4
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3108042/
https://www.cdc.gov/flu/treatment/antiviralresistance.htm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5404498/