here in germany, the countries leading public health institution, the robert caulkins to do, suggestsew data suggest the rise in coronavirus cases might be leveling off. and that concerns that chancellor merkel may have caught the virus have been dispelled. >> the brandenburg gate should be buzzing with locals and visitors b but lockdownn measurs memean that peopople are o o doorors only for essential reass like going to work, shopping, or walking the dog. germany's robert caulkins to two says there is reason to be cautiously optimistic the measures are working. >> we are seeing signs the exponential growth curve is flattening slightly. i will only be able to confirm this trend definitively wednesday. i am optimistic the measures are already having an effect, which is early, because they have only been in place for one week. >> seems like these from last week, a thing of the past for now. chancellor merkel is in quarantine at home. she has been tested after contact with an infected doctor. that test came back negative. she will be tested regular the in the coming days and meanwhile sh