access
area
attention
banner
barbed wire
breakout
caution
checking
closed area
coronavirus
covid19
danger
disease
do not entry
entrance
epidemic
exclusion
face mask
fence
forbidden
infected
information
inscription
instruction
keep out
lockdown
no entry
no people
obligatory
outbreak
pandemic
plate
prevention
prohibition
protection
quarantine
restricted
rewound
risk
safe life
safety
safty zone
security
sign
stop
symbol
warning
warning sign
without
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