a. I'm not the one making the claim we could have hit herd immunity against the delta. I'm saying there's no proof either way. What little real world evidence we have, though, runs counter to that. Is it possible? yes. Is it likely? No, particularly since south africa would have unfolded the same way.
b. Martha's vineyard had a spike beginning early december/mid december. below. Is it possible someone seeded an omicron outbreak from south africa? Yes. Is that likely? No, considering that Massachusetts even now is about 50/50 omicron/delta in last reporting.
Martha's Vineyard news pertaining to Covid-19.
vineyardgazette.com
The number of new COVID cases shot into the triple digits last week, with 105 new cases — the first time cases have reached over 100 since the beginning of April. From Dec. 5 to 11, there were 80 cases reported at the Martha’s Vineyard Hospital, 13 at TestMV, and 12 at other providers. Of …
www.mvtimes.com