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Table 7 Number and percentage if animals positive for FeLV p27 antigen, and with persistent antigenaemia, 20 month DOI

From: Difficulties in demonstrating long term immunity in FeLV vaccinated cats due to increasing age-related resistance to infection

Study Day T04 (water) T05 (Versifel FeLV) T06 (no treatment)
Number of animals Number (%) Number of animals Number (%) Number of animals Number (%)
−1 11 0 (0.0) 16 0 (0.0) n/a n/a
617 11 0 (0.0) 15 0 (0.0) n/a n/a
629 n/a n/a n/a n/a 6 0 (0.0)
652 11 6 (54.5) 15 2 (13.3) 6 6 (100.0)
659 11 6 (54.5) 15 2 (13.3) 6 6 (100.0)
666 11 5 (45.5) 15 0 (0.0) 6 6 (100.0)
673 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
680 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
687 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
694 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
701 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
708 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
715 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
722 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
729 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
736 11 3 (27.3) 15 0 (0.0) 6 6 (100.0)
Number and percentage of animals with persistent antigenaemia
  11 5 (45.5) 15 0 (0.0) 6 6 (100.0)