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 ...

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 ...

Study results may provide guidance for healthcare policy and pandemic management at a selective, local level. Social distancing, lower population density, and daily weather temperature were associated ...

The reproduction number R is often used as an indicator to predict how quickly an infectious disease will spread. Empa researchers have developed a mathematical model that is just as easy to use but ...