Latvia has now declared a State of Emergency, effective immediately.
The Latvian Centre or Disease Prevention and Control has said that travellers coming from Italy, Spain, France, Germany, Austria, Switzerland, Netherlands, UK, Sweden, Norway, Belgium, Denmark, USA, Greece, Iceland, Singapore, Japan, Iran, South Korea and China will need to monitor their health for 14 days after their arrival. This includes taking their temperature twice a day.
If you develop flu-like symptoms including fever, cough or difficulty breathing, you should call 113.
The country is also shutting down all educational institutions and banning events with more than 200 people until 14 April.