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 ...

During the pandemic we have all become familiar with a lot of epidemiological concepts. One that was introduced to us early in 2020 is the “basic reproductive number”, or R0. This tells us about the ...

When a new disease emerges, health organizations turn to a seemingly simple number to gauge whether the outbreak will spread. It’s called the basic reproduction number—R0, pronounced R-naught—and ...

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 ...

This article was last updated on 13 October 2021. The basic reproduction number, also known as the R or R0, is the average number of people one person with an infectious disease will likely infect in ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Scientists from Imperial College London and the University of Cambridge, UK, have recently proposed and applied a correction to EpiEstim, a statistical method to estimate the time-dependent ...

Reducing social contact is widely understood to slow disease spread, but because there is no personal health benefit gained from self-isolating, this would seem to require some concern for others. But ...