Demonstrators gathered in Madrid on Sunday to protest expanded requirements aimed at combating the disease, which has seen a sharp uptick in recent weeks.
A court in Madrid is due to rule next month on murder and terrorism charges against an ex-Salvadoran military officer alleged to have played a key role in the 1989 executions of five Spanish priests.
The country is seeing a trend similar to the U.S., with more young people catching the virus. More than 17,800 new cases have been confirmed in the last two weeks, nearly half of them in Catalonia.