Only a few airlines, such as Avianca and Frontier, take the temperature of each passenger before boarding.
https://www.latimes.com/business/story/2021-01-01/covid-19-airplane-sick-on-plane-cdc
I’ve posted a series on Covid-19 that reveals much of humanity’s weaknesses as revealed by the pandemic —
By relevance:
https://samslair.blogspot.com/search?q=Covid&m=1
By date:
https://samslair.blogspot.com/search?q=Covid&max-results=20&by-date=true&m=1
Here’s a little humor and such for perspective:
“It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is most ‘adaptable’ to change.”
http://friendsofdarwin.com/memes/not-the-strongest/
“Uh-Oh...He’s got that ‘thinning the herd’ look again...”
“I created you in my image in the beginning, yes. But then you evolved.”
https://me.me/i/bizarro-com-facebook-com-bizarrocomics-dist-kng-features-i-created-you-in-4757499
“We cannot solve our problems with the same thinking we used when we created them.”
Though Einstein didn’t actually say that, he did say:
"a new type of thinking is essential if mankind is to survive and move to higher levels."