alert
area
attention
bacteria
beware
bio
biohazard
biologic
biological
biology
black
caution
chemical
contamination
danger
dangerous
ebola
element
epidemic
forbidden
hazard
icon
illustration
infectious
isolated
lab
laboratory
level
medical
microogranism
organism
protect
protection
research
restricted
risk
safety
sars
science
security
sign
substance
symbol
toxic
toxin
virus
warn
weapon
yellow
定額
Biohazard caution sign. Symbol of hazard caused by biological microorganism, virus or toxin. Simple flat black vector illustration on yellow background.の素材 [FY310115745038]
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