Germany agreed on Friday to offer more aid to its airports to try to save jobs and preserve infrastructure as the Covid-19 pandemic continues to wreak havoc on the aviation industry.

German Chancellor Angela Merkel wants state premiers on Wednesday to agree to close all restaurants and bars from Nov. 4 in a bid to curb coronavirus infections but keep schools and nurseries open, a draft resolution seen by Reuters showed.

Germany may introduce compulsory coronavirus testing for holidaymakers returning from high-risk destinations after the number of new infections in the country hit a two-month high, the health minister said on Saturday.

Germany will offer free coronavirus tests to all returning travellers in new measures agreed Friday, as concerns grow over a rise in infections due to summer travel.

Very few of 2,000 school children and teachers tested in the German state of Saxony showed antibodies to Covid-19, a study found on Monday

The German government is planning to lift a travel warning for tourists for 31 European countries from June 15, ending an unprecedented directive against all international travel.

Chancellor Angela Merkel urged discipline in the fight against the coronavirus pandemic, warning that Germany is not "out of the woods" even as the country took small steps in easing curbs imposed to slow contagion.