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TABLE 1. Virus recovery and PCR analysis for proviral DNA following challenge

Treatment Animal Virus recovery at wk postchallenge^a
No. of animals protected/total

2 4 8 12^b

CAP:I 89D420 0 0 0 0 [+] 1/6

H608 0 0 0 0 [+]

359L + + + ND

407L 0 0 0 0 [ $-$ ]

H671 + + + ND

89D367 + + + ND

CAP:II 89C001 0 0 0 0 [ $-$ ] 4/6

P778 0 0 0 0 [ $-$ ]

976W ++ ++ ++ ND

P851 ++ ++ ++ ND

936P 0 0 0 0 [ $-$ ]

P407 0 0 0 0 [ $-$ ]

Control 89D264 ++ ++ ++ ++ 0/4

89D205 + + + +

59R ++ ++ ++ ++

AH37 ++ ++ ++ ++

^a +, Positive results after single treatment and challenge; ++, positive results after double treatment and challenge; ND, not done; 0, negative result.

^b Symbols in brackets indicate presence (+) or absence ( $-$ ) of proviral DNA 12 weeks after double treatment and challenge for animals negative for virus isolation.

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