הידבקות ממשטחים ומחולים אסימפטומטים, חסינות נעדר ועוד

https://www.cbsnews.com/news/cdc-coronavirus-doesnt-spread-easily-on-surfaces-transmission-before-symptoms/ https://www.newsweek.com/coronavirus-inactive-sunlight-1505883 https://www.dailymail.co.uk/news/article-8338205/Handwashing-six-10-times-day-linked-lower-coronavirus-infection-risk.html https://www.dailymail.co.uk/news/article-8343201/Europe-hit-second-wave-coronavirus-warns-EUs-boss-disease-control.html

תיקון: חסינות העדר.