15 Ways To Avoid Getting Sick Right Now

https://www.sciencedirect.com/science/article/abs/pii/S0165572818301309

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3894304/

https://cals.arizona.edu/news/why-your-cellphone-has-more-germs-toilet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2629403/

https://www.sciencedirect.com/science/article/pii/S2095756420301197

https://www.sciencedirect.com/science/article/pii/S006526280860018X