Hepatitis A is commonly transmitted from the human waste of an infected person to the mouth of the disease's next victim.
https://www.nbcbayarea.com/news/local/SF-Health-Officials-Push-for-More-Vaccinations-in-Response-to-Hepatitis-A-Outbreak-
445859993.html
https://twitter.com/realhublife/status/1155533438666940416
https://twitter.com/w_terrence/status/1155168907654774784
https://twitter.com/GodsGir22582342/status/1155555002561134592