1RhCMV, rhesus cytomegalovirus; SFV, simian foamy virus. 2The percentage of samples with negative test results from both swab and rope. 3The percentage of samples with positive results from both swab
*One sample was negative on the CDC-DENV-1–4 RT-PCR assay which was positive for DENV-3 sequencing. All other negative RT-PCR samples were also negative by E gene sequencing.