Vista superior da placa com sinal de risco biológico isolado em preto - Banco de fotos e imagens

Sign of biological danger and biological weapons for warning inscriptions. sticker on wooden background.

Ebola virus seen under a microscope with epidemic sign

Ebola virus seen under a microscope with epidemic sign

Black biohazard warning sign on yellow background, RG 3, danger to health

Black biohazard warning sign on yellow background, triangle, danger to health

Hazard warning symbol. Skull and bones, a symbol for poison