access only with mouth-nose protection

access ban berlin care caution cautious contagion corona coronavirus covid covid19 customer danger dangerous decision demarcation disease disorder epidemic face fear germany health hygiene ill illness indicating indication infection inscription label mask measure medical medicine mit mouth mouthnose mundnasenschutz nose nur only oronasal pandemic pathogen precaution precautionary protection quarantine regulation requirement respirator respiratory restriction risk rules safe safety sars security shop shopping sign signage symptom transmission virus window zutritt