We've heard of R numbers and moving averages. But what are k numbers? And how do they explain COVID superspreading?
Forest Simon/UnsplashFirst thing in the morning, or come 11 o'clock, countless Australians anxiously wait for the daily COVID-19 case numbers, trying to understand whether their outbreak is under control, and how much longer they will be in lockdown.
As well as daily case numbers, people want to know what proportion of cases were infectious in the...




