Articles / COVID-19 Tests – Swab, Saliva, Serum, or Stool?

This week’s expert:
Dr Michael Wehrhahn, Clinical Microbiologist and Infectious Diseases Physician at Douglass Hanly Moir Pathology
Drawn from Dr David Lim’s interview with Dr Michael Wehrhahn on the Healthed Podcast, ‘Going Viral’.
• Symptomatic patients who test negative to SARS-CoV-2 after a nasopharyngeal PCR test can have a high level of confidence in that negative result. There is no need to repeat the COVID-19 testing in the vast majority of cases.

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