Table 1

Overview of SARS-CoV-2 RNA in particulate matter 10 and inhalable dust samples collected at mink farms at a later phase of the ongoing SARS-CoV-2 outbreak

6-hour stationary sampling inside farm8-hour personal sampling inside farm6-hour stationary sampling outside
Inhalable dustParticulate matter 10Inhalable dustParticulate matter 10Inhalable dustParticulate matter 10
TimepointDateFarmPositives/
collected, n/N
Virus concentration (RNA copies/m3)Positives/
collected,
n/N
Positives/
collected, n/N
Virus concentration (RNA copies/m3)Positives/
collected,
n/N
Positives/
collected, n/N
Positives/
collected,
n/N
128 April 2020NB11/32.4×103 0/3Not collectedNANot collected0/30/3
130 April 2020NB21/34.9×103 0/3Not collectedNANot collected0/30/3
12 May 2020NB1B1/33.8×103 0/31/24.6×103 Not collected0/30/3
2 and 35–16 May 2020NB1A, NB2, NB1B0/18Non-detectsNot applicable0/12Non-detectsNot applicable0/18Not applicable
  • All 4-day outdoor air samples collected between 28 April 2020 and 21 May 2020 at NB1A, NB1B and NB2 at their premises: SARS-CoV-2 RNA not detected.

  • NA, not applicable.