If you saw the 2011 movie “Contagion,” about a worldwide pandemic of a new virus, then you’ve heard the term R0. Pronounced “R naught,” this isn’t just jargon made up in Hollywood. It represents an ...

The thing about the coronavirus is it’s hard pin down. Best practices for avoiding it are constantly changing. There’s no consistency to its recovery time. And worst of all, due to the prevalence of ...

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 ...

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.

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 ...

Among the well-known diseases, measles and chickenpox are two of the most infectious. But how does their contagiousness compare to the Delta variant of SARS-CoV-2 that is now causing the majority of ...

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 ...

Chancellor Angela Merkel last month made 1.0 sound like a line in the sand for the country’s R0 variable. But that has changed, along with the circumstances. By Melissa Eddy BERLIN — When Chancellor ...

The Centers for Disease Control and Prevention recently shared a conclusion that shocked epidemiologists: The basic reproductive number for the delta variant is somewhere between 6 and 9. We, as ...

Germany has announced 798 new cases of the coronavirus, a drop in the number of new infections after a spike the day before. The Robert Koch Institute (RKI), the country's agency for disease control ...

A healthcare worker talks to another worker in the Covid-19 Unit at United Memorial Medical Center in Houston, Texas, July 2, 2020. - Despite its renowned medical center with the largest agglomeration ...