MCQ
$SARS$ and Swine flu are caused by:
  • Virus.
  • B
    Virus and bacterium.
  • C
    Virus and protozoan.
  • D
    Virus and helminth.

Answer

Correct option: A.
Virus.
Swine flu, also known as the $H_1N_1$ virus, is a relatively new strain of an influenza virus that causes symptoms similar to the regular flu. It originated in pigs, but is spread primarily from person to person. Swine flu made headlines in $2009$ when it was first discovered in humans and became a pandemic.

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