social distancing advice people keep safe distance in shop for coronavirus prevention. queue buyers in protective mask.

advice avoid away buy buyer contagious contamination control corona coronavirus covid19 disease distance distancing epidemic far flat flu gathering group health healthy human hygiene ill illness illustration infect infected infection influenza isolation keep maintain man mask measure medical medicine meeting meter not order outbreak pandemic people person precaution prevent prevention protect protection protective public quarantine queue respiratory rule safety sanitary security separated shop shopping sign social society space spreading store supermarket together transfer trolley vector viral virus warning woman