Multiple choice

SARS is a respiratory disease caused by __________.

  1. bacteria

  2. fungi

  3. virus

  4. protozoa
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

SARS (Severe Acute Respiratory Syndrome) is caused by the SARS-CoV-1 virus, a coronavirus that emerged in 2002. It is not caused by bacteria, fungi, or protozoa; these are entirely different classes of pathogens with different structures and treatments.

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