Citat:
Ursprungligen postat av
lasternassumma
Flockimmiunitet
Flockimmiunitet (eng.
Herd immunity) är ett etablerat begrepp.
Fakta om immunitet för tidigare infekterade och hur länge en sådan, trolig, immunitet varar är oklart. Kanske vad det detta du åsyftade?
https://en.wikipedia.org/wiki/Herd_immunity
Ja, det är ett etablerat begrepp, och det är etablerat att det fungerar
när man har ett vaccin. Läs din egen källa:
Citat:
To date, two diseases have been eradicated using herd immunity and vaccination: rinderpest and smallpox.
[..]
Herd immunity was first recognized as a naturally occurring phenomenon in the 1930s when A. W. Hedrich published research on the epidemiology of measles in Baltimore, and took notice that after many children had become immune to measles, the number of new infections temporarily decreased, including among susceptible children.[8] In spite of this knowledge, efforts to control and eliminate measles were unsuccessful until mass vaccination using the measles vaccine began in the 1960s.