We published an article earlier this month that contained incorrect estimates for the basic reproduction number (R0) for COVID subvariants BA.4/BA.5 and BA.2. We have now corrected the error, but I ...

Freya Shearer receives funding from the National Health and Medical Research Council, the Australian Government Departments of Health and Foreign Affairs and Trade, and NSW Health. Catherine Bennett ...

Scientists say there is no evidence that the BA.5 version of the Omicron coronavirus variant is more transmissible than measles, or that it has a basic reproduction number, or "R-naught" (R0), of 18.6 ...

As more people take precautions, the rate goes down; otherwise, the reverse kicks in BASIC FORMULA: R0 (the infection reproduction number) is often used in epidemiology and public health literature.