Assertion: biological hazard machupo virus | /r/CreatedBy | biohazard level
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text: Biological Hazards Machupo virus, as many other hemorrhagic fever viruses (such as AHFs, dengue hemorrhagic fever, Marburg virus, Ebola virus, hantaviruses, Lassa fever, and Crimean–Congo hemorrhagic fever) is included amongst microorganisms that cause severe to fatal disease (highest risk in humans) also corresponding to biohazard level 4, and for which neither vaccines or treatments are available.