Genotyping of Porcine Circovirus 2 (PCV-2) in Vaccinated Pigs Suffering from PCV-2-Systemic Disease between 2009 and 2020 in Spain.

Pathogens · 2021 · PMC8402084 · PMID 34451480

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an evident trendno p-value reported

The Spanish, European, and worldwide available sequences analyzed in the present study further confirm this hypothesis, since an evident trend of higher frequencies of PCV-2a during the 1990s, PCV-2b during the 2000s, and PCV-2d from 2010 to 2012 onwards was observed.

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