No new deaths were recorded Wednesday, with the fatality toll remaining on 36.
The Disease Prevention and Control Center (SPKC) said 2,733 tests had been conducted during the previous 24-hour period.
In total 301,818 tests have been carried out since February 29, representing a significant portion of Latvia's 1,9-million population.
So far 1,248 patients have recovered from infection.
Nine patients are in hospital, all of whom are described as having moderate symptoms of the disease.
Pēdējās 24h veikti 2733 COVID-19 testi, reģistrēti 12 jauni saslimšanas gadījumi. Latvijā kopā veikti 301 818 izmeklējumi, saslimušas 1572 personas un 1248 izveseļojušās, 36 mirušas.— SPKC.gov.lv (@SPKCentrs) September 23, 2020
SPKC said of the newly infected patients five had been in contact with other known cases while the remainder are still being investigated.
On September 22 the 14-day cumulative number of COVID-19 cases per 100,000 of population was 5.1 in Latvia, 25.6 in Lithuania and 30.9 in Estonia according to data from the European Centre for Disease Prevention and Control. Latvia's rate remains the lowest in the European Union and one of the lowest in the world.
The threshold for the introduction of compulsory self-isolation upon arrival in Latvia is 16. See our other story about the latest list of countries which require self-isolation for people arriving in Latvia. The country list is updated every Friday.
A useful summary in English of the latest COVID-19 situation including restrictions in place and rules on public assembly is available at this special government website.
Cīņa ar #COVID19 izplatību nav noslēgusies - iepazīsties ar noteikumiem, kurus nepieciešams ievērot savas un sabiedrības veselības saglabāšanas nolūkā arī pēc ārkārtējās situācijas noslēguma! ☝?— Valdības māja (@Brivibas36) June 10, 2020
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The number for medical emergencies is 113, the number for enquiring about a COVID-19 test if you have developed some potential symptoms after returning from overseas or being in contact with someone confirmed as having coronavirus is 8303 and the SPKC COVID-19 advice helpline is 67387661.
The SPKC has information in English about the approved methods of protecting yourself from the virus, symptoms and medical procedures and an interactive map plotting the incidence and distribution of the disease in Latvia.