a chinese person covering her face to protect herself from a contagious disease.virus infection

afriad air and asia asian baby bad black breathing care child china chinese city cold contagious corona danger defense dirty disease environment epidemic face facemask female fever flu fog girl healh health hospital human ill illness infection influenza japanese kid little lungs mask medical medicine mouth outdoor patient people pollution prevention problem protect protection protective respiratory safety sick sickness smog stress unhappy unwell urban vietnam virus wearing white woman worried