. "exposure to infectious agents that can be transmitted by the respiratory route and which can cause serious infection"@en-us . "0.125"^^ . "biosafety level 3"@en-us . "113611532"@en-us . . . "biosafety level 3"^^ . . "114428970"^^ . . . . "0"^^ . . . . "14428970-n"^^ .