http://www.newsweek.com/herd-immunity-us-states-delta-variant-covid-oregon-hawaii-1640912

Cautious optimism has been voiced from some states that they may be approaching herd immunity against COVID.

Last week, Joshua Green, lieutenant governor of Hawaii, said the state is "seeing the beginning of the end of the pandemic" after its health department announced that 70 percent of Hawaii residents had completed COVID vaccination.