A useful point to show why vaccines are so important - even though this is WELL below herd immunity rates, the vaccines already done so far in NSW have probably slowed down this outbreak significantlyhttps://twitter.com/NSWHealth/status/1406779581504180234 …
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This sort of reduction might be the difference between, say, masks stopping the outbreak entirely and needing to implement further measures
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And what if we had 40% vaccinated? Or 50%? We might not need anything other than the excellent contact tracing system we already have to keep a lid on this sort of outbreak!
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This has been your daily thread of why you should all go and get your vaccines, specific to NSW Australia but also for everyone else because the same thing applies no matter where you live
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Also, worth noting that at a vaccination rate of 70%, even if you assume Astrazeneca is only 70% effective, you're looking at about a 50% reduction in R0 which means that contact tracing will probably be enough to completely prevent any outbreaks
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Oh, also worth noting this is with totally naïve estimates of the spread of the disease. If we've vaccinated the people most likely to spread COVID-19 (which we may have to some extent) then the Rt could be a fair bit lower
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