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What made the 1918 flu virus so deadly?

User Starrr
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Answer:

it killed people directly by causing massive hemorrhages and edema in the lungs. Modern analysis has shown the virus to be particularly deadly because it triggers a cytokine storm overreaction of the body's immune system.

Step-by-step explanation:

I hope this helped :)

User DarkCrow
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Step-by-step explanation:

The virus killed people directly by causing massive hemorrhages and edema in the lungs. Modern analysis has shown the virus to be particularly deadly because it triggers a cytokine storm (overreaction of the body's immune system

User Ammar Ali
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