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CH3MTR4IL5 said..
Yes, true. But hard to know whether same outcome if we hadn't had a lockdown.
not disagreeing with impact of vaccines but there are some different factors at play between syd and per.
Adelaide is a better comparison i would think in terms of size/ pop density - but I haven't really followed their cases/outbreaks vs vaccination.
i think your point would stand up but its hard
to really see it in WA when there's no cases anyway
Yes there are some significant differences in population between Syd and Perth and the difference between Winter and Summer could have a significant affect. (But not sure on that seeing as how numbers are going sky high at the peak summer)
However, in Sydney that limo driver was detected pretty early and isolated after being infectious in the community for a very short period.
In Perth the backpacker was infectious at a night club and while sharing accommodation with loads of other people.
The initial exposure to community from a single source is comparable (probably higher in Perth). Both cities didn't do much more than ask people to wear masks and get tested in the early stages.
Perth didn't even limit travel.
At the time, Sydney had 30 - 40(not locally acquired) active cases for about a month, then within a month they had 1000 cases
Perth has had 100 locally acquired cases in a month that included the festive season.