BSL-4


a laboratory that contains the deadliest viruses known to mankind. these viruses are ebola, marburg, l-ssa, hanta, smallpox, crimean hemorrhagic fever, argentinean and bolivian hemorrhagic fevers. so any disease that makes you bleed to death, you should wear a positive pressure suit not to catch it.
walking into a bsl-4 lab without a sp-ce suit is basically a suicidal act.

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