For large households living at close quarters, as in Melbourne’s public housing towers, hotel isolation of people with COVID-19 is likely to be more cost-effective. James Ross/AAP

Is aggressive hotel isolation worth the cost to fight COVID‑19? The answer depends on family size

The spread of the virus through households creates costs higher than for isolation in hotels when families are large and living at close quarters as in Melbourne’s public housing towers.
Punters line up every year to bet on the Melbourne Cup, but why do we overstate our odds? Dean Lewins/AAP

For this year’s Melbourne Cup, consider a charity rather than taking on Tom Waterhouse

In the lead-up to next week’s Melbourne Cup, bookmaker Tom Waterhouse is heavily marketing a “$25 million bet that stops a nation”. All you have to do is give him A$10 and if you place the first 10 horses…

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