Within 10 days from April 17 , 2020 , Amieva reported its initial Covid-19 case .
After the update as of 17 April , Pravia surpassed Grado as the municipality with the highest ratio while 18 towns continued without any positive case ( Amieva was the only municipality in that 10 days that confirmed their first case ) .
2020 coronavirus pandemic in Asturias