As a second wave of the COVID-19 pandemic hits many regions worldwide, a new study reports a method to monitor the effective reproduction number (Re) in near real-time. The study, published on the ...

We demonstrate a methodology for replicating and projecting the path of COVID-19 using a simple epidemiology model. We fit the model to daily data on the number of infected cases in China, Italy, the ...

The reproductive number R describes the average number of individuals that a person infected with a particular pathogen infects. It depends on how that pathogen is transmitted as well as how often ...