woman wearing a mask to prevent contagion in a bus stop

alone avoid avoiding bad bus business businesswoman careful carefulness chemical city commuter commuting contagion contagious contamination coronavirus disease environment epidemic epidemy executive female fever flu gas girl infection influenza journey lady looking mask measure outbreak outside passenger people person pollution precaution prevent prevention preventive problem protected protection protective public safe single sitting smog station stop street toxic transport travel traveler unhappy urban virus waiting warfare warming woman work worker young