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Table 1 CTL escape of breast milk and blood virus quasispecies at the Tat TL8 epitope during acute SIV infection.

From: Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys

  Days after SIV infection
Animal # Day 14 Day 18 Day 21 Day 28
206 blood 100%a (17/17)b 14.3% (3/21) 0% (0/26) NDc
  milk 100% (30/30) 87.5% (28/32) 17.4% (4/23) 0% (0/17)
257 blood 100% (29/29) 90.9% (20/22) 38.5% (10/26) 0% (0/20)
  milk 100% (21/21) 100% (30/30) 54.5% (12/22) 0% (0/31)
402 blood 100% (28/28) 12.5% (3/24) 7.7% (2/26) ND
  milk 100% (18/18) 31.0% (9/29) 16.7% (1/6) 0% (0/32)
403 blood 100% (29/29) 54.2% (13/24) 9.4% (3/32) ND
  milk 100% (23/23) 47.6% (10/21) 17.4% (4/23) 0% (0/31)
  1. a % reported is the proportion of virus quasispecies that did not have an amino acid substitution within the Tat TL8 epitope (remained wild type).
  2. b In parentheses is the number of virus quasispecies that remained wild type at the Tat TL8 epitope/number of virus quasispecies sequenced.
  3. c ND = not done