A new study published on the preprint server medRxiv* in May 2020 reports the use of a dynamic SEIR model to identify variations in the reproductive number of SARS-CoV-2 over time, using machine ...

When the coronavirus was spreading at its peak, it’s estimated that one infected individual could spread it to as many as three other people, who would spread it to three more, and those folks to ...

If you are a critic of COVID-19 lockdowns, here are some numbers you will like. I also have some numbers you will not like as much, which I will get to in a minute. When the reproductive number falls ...

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 ...

The COVID-19 pandemic has thrown up myriad questions, including how contagious the coronavirus which causes the disease is. One common way of expressing this is what experts who study the spread of ...

The concept is crucial to curbing the novel coronavirus. It's also complicated. If you've been reading coronavirus news coverage, you've likely stumbled across a reference to a term called "R0." It's ...

THE STATE REOPENING CHATTED SOME STATES HAVE IMPOSED QUARANTINES ON VISITORS TRAVELING FROM OTHER STATES. RYLAND OFFICIALS TODAY SAID THEY ARE NOT -- MARYLAND OFFICIALS SAID THEY ARE NOT CONSIDERING ...

In times of Corona, everybody looks at the reproduction number. However, this important number is subject to uncertainties. Researchers of Karlsruhe Institute of Technology (KIT) now present a method ...

Just a few months ago, no one, aside from epidemiologists and their ilk, had heard of the R number. Now, thanks to the coronavirus, everyone has heard of it and most people can tell you that it’s the ...

Three different methods were used for estimating the basic reproductive number (R₀) from data on 110 outbreaks of highly pathogenic avian influenza (HPAI) subtype H5N1 that occurred in village poultry ...