i'm joined now by fabien and schmidt from davey science have in the german government is said to discuss tightening measures across the country today from a scientific point of view do we need stricter measures. we do need strict measures and the point in germany is right now the measures in the different states of germany are not the same so for example in berlin up to now are still gatherings of up to 10 people are allowed in as a german states gatherings of up to 3 people no 10 people is definitely too much and people should really stay was in their families was in the communities in which they live on their in their households basically and if they go out to exercise or do do shopping maybe they should do that alone or just in groups of 2 and i think we're going to see something along those lines and when will it be possible to say that the measures taken so far have achieved anything. we're right now at a point where the. decisions that are going to be made today are probably going to be valid for about 3 weeks now i think that will probably take as long as that in order to even est