PSA on some new scientific info on the 3rd mostly unknown infection route. Part of the reason why cruises are so badly affected. Also the reason why googles or a "face shield" is needed for proper protection No copyright infringement and monetization intended whatsoever. This is a public service announcement effort. Watch the full video here: https://www3.nhk.or.jp/nhkworld/en/ondemand/video/5001289/