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With reference to the COVID-19 virus, consider the following statements (i) COVID-19 is caused by the H5N1 virus (ii) Polymerase Chain Reaction (PCR) is one of the most accurate methods for…

Question and options

With reference to the COVID-19 virus, consider the following statements
(i) COVID-19 is caused by the H5N1 virus
(ii) Polymerase Chain Reaction (PCR) is one of the most accurate methods for diagnosing COVID-19
(iii) COVID-19 primarily spreads through respiratory droplets
Which of the given statements is/are correct?
  1. (i) and (ii) only
  2. (ii) and (iii) only
  3. (i) and (iii) only
  4. (i), (ii), and (iii)

Answer and explanation

Correct answer: B - (ii) and (iii) only
(i) is false: COVID-19 is caused by SARS-CoV-2; H5N1 is avian influenza. (ii) RT-PCR is the gold-standard test, and (iii) spread is mainly by respiratory droplets. So (ii) and (iii) only.

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