not the first time in Australia...and, no doubt, it won’t be the last:
1 Oct: ABC Australia: Dozens potentially given harmless saline injection instead of COVID-19 Pfizer vaccine in Melbourne mix-up
A Deepdene GP clinic has apologised to 30 patients who booked in to receive a Pfizer vaccination last Sunday, saying they may have received a harmless saline injection by mistake.
Deepdene Surgery said in a statement the error occurred when “empty vaccine vials were used for preparing some of the syringes intended for vaccination”...
https://www.abc.net.au/news/2021-10-01/melbourne-deepdene-saline-pfizer-covid-vaccine-injection-mistake/100506516
“… many recipients no longer have vaccine-induced antibodies that can immediately neutralize worrisome variants of the coronavirus…”
This is not as bad as they make it sound. I’m sure my antibody titer for smallpox and polio are undetectable, but my immune system still “remembers “ them.