Key result
Porcine circovirus 2 was detected in 100% (69 of 69) of pigs with PMWS, compared to 0% (0 of 16) of age-matched controls with Streptococcus suis-associated disease.
Case-Control (n=105)
Yes
Absolute Event Rate: 100% vs 0%
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PCV2 detection supports PMWS diagnosis in swine; leaves open causality and requires prospective confirmation.
Ellis et al. (2000) conducted a case-control in Postweaning multisystemic wasting syndrome (PMWS) (n=105). Porcine circovirus 2 (PCV 2) infection vs. Pigs with Streptococcus suis-associated disease or clinically normal pigs was evaluated on Detection of PCV 2 by PCR or IHC in affected tissues. Porcine circovirus 2 was detected in 100% (69 of 69) of pigs with PMWS, compared to 0% (0 of 16) of age-matched controls with Streptococcus suis-associated disease.
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