COVID-19: What is the virus's "R" value, or reproduction number?
Expert video: Jean-Claude Desenclos, Scientific Director at Santé publique France, explains what the "R"—or effective reproduction number—of the virus means
In relation to
Our latest news
news
Launch of the “Heating, Health, Buildings, and Urban Planning” Network:...
news
2026 “Sexual Behavior” Survey (ERAS) for men who have sex with men
news