Who is known as 'Typhoid Mary' in the context of typhoid fever?

  • A
    Mary Mallon, a cook by profession
  • B
    $A$ person with a severe form of the disease
  • C
    $A$ person whose brain is severely affected
  • D
    All of the above

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$A$: In anthrax,the animal dies due to lack of oxygen.
$R$: The anthrax bacterium uses up the oxygen carried by the animal blood.

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