No new deaths were recorded, with the fatality toll remaining on 35.
The Disease Prevention and Control Center (SPKC) said 1,596 tests had been conducted during the previous 24-hour period.
In total 264,258 tests have been carried out since February 29.
So far 1,187 patients have recovered from infection.
Seven patients are in hospital, all of whom are described as having moderate symptoms of the disease.
Pēdējās 24h veikti 1596 COVID-19 testi, reģistrēti 3 jauni saslimšanas gadījumi. Latvijā kopā veikti 264 258 izmeklējumi, saslimušas 1428 personas un 1187 izveseļojušās, 35 mirušas.— SPKC.gov.lv (@SPKCentrs) September 6, 2020
SPKC added that all three new patients had been in contact with an infected person.
According to the European Centre for Disease Prevention and Control (ECDC) the cumulative 14-day number of infections per 100,000 of population is 4.8 in Latvia, 16.0 in Lithuania and 17.1 in Estonia on September 6.
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
🇷🇺: https://t.co/0kkd2fjtMd pic.twitter.com/4Olb79FUkr
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.
See our other story about the latest list of countries which require self-isolation for people arriving in Latvia.