According to the joint epidemiological bulletin of the Directorate-General for Health and the National Institute of Health Doctor Ricardo Jorge released today, at national level the incidence rate rose from 83.3 to 84.2.

In mainland Portugal, this indicator also increased from 83.2 to 84.4 cases per 100 thousand inhabitants

The Rt - which estimates the number of secondary cases of infection resulting from each person carrying the virus - rose again today in relation to the values ​​recorded on Wednesday, going from 0.97 to 1 nationally and 0.97 in mainland Portugal, 98 to 1.

The Rt data and the incidence of new cases per 100,000 inhabitants within 14 days - indicators that make up the risk matrix for monitoring the pandemic - are updated by the health authorities on Monday, Wednesday and Friday.

According to the Government portal for covid-19, "the monitoring of the evolution of the pandemic will continue to be carried out based on the indicators of incidence and Rt, adapted according to the evolution of vaccination (alert level is 240, level risk is 480)".