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Table 2 Distribution of koala retrovirus (KoRV) subtypes in captive and wild koalas

From: Koala retrovirus diversity, transmissibility, and disease associations

Site (totals)

KoRV generic (%)

KoRV-A-specific (%)

KoRV-A only (%)

KoRV-B-specific (%)

KoRV-J-specifica (%)

KoRV-F-specific (%)

KoRV-E-specific (%)

US zoos (n = 78)

78/78 (100)

78/78 (100)

70/78 (89.7)

9/78 (10.3)

1/78 (1.3)

/78 (7.7)

4/78 (5.1)

Australian zoos (n = 27)

27/27 (100)

27/27 (100)

11/27 (40.7)

15/27 (59.3)

3/27 (11.1)

0/27 (37.0)

11/27 (40.7)

St. Bees Island (n = 21)

21/21 (100)

21/21 (100)

21/21 (100)

0/21 (0)

ND

0/21 (0)

0/21 (0)

Total (n = 126)

126/126 (100)

126/126 (100)

102/126 (81.0)

24/126 (18.3)

4/126 (3.2)

16/126 (12.7)

15/126 (11.9)

  1. Results include testing of any specimen type available for DNA and/or RNA KoRV sequences per koala. ND, not done
  2. aKoRV-J testing was only done if a koala tested positive for KoRV-B to distinguish these two subtypes since they are very similar genetically