Table 4 Viral RNA detection via rRT-PCR in tissues from elk calves and adults collected at days 2 and 21 post-infection with SARS-CoV-2.

From: Persistence of viral RNA in North American elk experimentally infected with an ancestral strain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)

Calves

Adult

Necropsy

mRPLN

Tonsil

Necropsy

mRPLN

Tonsil

Day 2

D2

#1

25.5/25.2

ND

#1

32.4/33.2

ND

#2

ND

ND

#6

ND

ND

Day 21

D21

#5

32.2/32.6

38.7/–

#2

28.1/27.9

ND

#6

27.9/27.9

ND

#3

32.5/32.2

ND

#7

23.4/23.7

38.1/–

#7

22.5/22.9

ND

  1. All samples were run in duplicates. Shown are Ct values for individual duplicate wells, separated by “/”.
  2. “#” indicates animal numbers.
  3. “–” indicates value not detected in an individual well.
  4. ND is not detected in both wells, mRLPN medial retropharyngeal lymph node.
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