Covid: transmission rate falls in Portugal

… but remains well above 1 in Madeira

Covid testing graphic

The transmissibility index (Rt) of the virus that causes covid-19 dropped slightly to 0.92 nationally, but is above the threshold of 1.00 in the two autonomous regions, according to data released by Portugal’s national public health body, the Ricardo Jorge Institute (INSA) yesterday.

According to the weekly report on the number of infections by SARS-CoV-2, the Rt – which estimates the number of secondary cases of infection resulting from each person carrying the coronavirus – dropped in Portugal from 0.95 to 0.92 as of January 13.

At a regional level, the document indicates that the five regions of mainland Portugal have this indicator below the threshold of 1.00, with the North registering 0.88, the Center 0.96, Lisbon and the Tagus Valley 0.87 , Alentejo 0.85 and Algarve 0.91.

In the opposite direction are the two autonomous regions, which have the highest Rt in the country and above the threshold of 1.00, with 1.54 in the Azores and 1.53 in Madeira, according to INSA data.

In view of this evolution in the transmission of SARS-CoV-2, the report states that Portugal has a reduced 14-day cumulative notification rate of between 20 and 59.9 cases per 100,000 inhabitants.

As for the five-day average of contagions, INSA advances that it also dropped slightly from 343 to 314 daily cases nationwide.

Since March 2, 2020, when the first cases were reported, until January 13, Portugal has registered 5,563,258 cases of infection with the SARS-CoV-2 coronavirus.

Covid-19 has been considered an international public health emergency since January 30, 2020 and a pandemic since March 11 of the same year.

Thanks to PeterA for the update.

COVID-19 in Madeira: previous updates can be found in an earlier post

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