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Table 1 SARS-CoV-2 gene detection in PPE samples infected with a heat-inactivated SARS-CoV-2 strain 2019-nCoV/USA-WA1/2020 (Str-Inf)

From: Persistence of SARS-CoV-2 infection on personal protective equipment (PPE)

PPE

Genes

5 days (Ct)a

10 days (Ct)

15 days (Ct)

20 days (Ct)

Gowns

N

29.4

31.5

32.8

33.8

S

29.3

–

–

–

Orf1ab

29.2

–

–

–

Face masks

N

30.7

32.8

33.7

–

S

31.2

33.8

33.2

–

Orf1ab

31.4

32.8

36.3

–

  1. aCt: Cycle threshold in relation to the number of cycles required for the fluorescent marked amplification to cross the threshold in the RT-qPCR reaction. Lower Ct values indicates higher viral load. Ct-values ≤ 37.0 were considered as positive
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BMC Infectious Diseases

ISSN: 1471-2334

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