Herd immunity
This photo summarizes it well:
Until recently, herd immunity was understood to be the state where a group was safe from epidemic because a sufficient number (less than 100%) of the population had acquired immunity, whether through vaccination or as a result of having been previously infected. Now we have the spectacle of the World Health Organization doing everything they can to suggest that immunity acquired by natural means (meaning, without vaccination) somehow doesn't count towards herd immunity. This is, of course, poppycock. It serves only to advance their agenda that everyone must be vaccinated, early and often.
"Herd immunity is a concept used for vaccination, in which a population can be protected from a certain virus if a threshold of vaccination is reached," Tedros Adhanom Ghebreyesus said during a virtual press briefing.
Here's a clue as to why some scientists are willing to support this ridiculous assertion:
