COVID-19
Is the K number the new R number? What you need to know
Scientists previously measured the spread of COVID-19 with the R number, but now use the K number, to take into account super-spreaders.
Most Popular
COVID-19
Coronavirus: cómo podría ser una segunda ola
Estos cinco gráficos muestran cómo se podría desarrollar una segunda, o repetidas ondas, de COVID-19. Estas podrían ser causadas por la relajación de las medidas de bloqueo o por un virus...
COVID-19
Coronavirus: what a second wave might look like
These five charts show how a second, or repeated waves, of COVID-19 could develop. These could be caused by relaxing of lockdown measures or a mutating virus.