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. 2022 Jun 14;9:884733. doi: 10.3389/fvets.2022.884733

Table 1.

Lineages of Porcine reproductive and respiratory syndrome virus (PRRSV) open reading frame 5 (ORF5) sequences isolated overtime.

graphic file with name fvets-09-884733-i0001.jpg

†

Sequences > 98% identical to L8 (Fostera® PRRS; Zoetis Inc.) and L5 (Ingelvac PRRS® MLV, Boehringer Ingelheim) vaccine strains.

‡

Farm 1: Latest PRRSV outbreak ~6 months prior to the first sampling event; Farm 2: Latest PRRSV outbreak <1 month prior to the first sampling event and vaccinated with a modified live vaccine (Fostera® PRRS, Zoetis Inc); Farm 3: Vaccinated with a modified live vaccine (Ingelvac PRRS® MLV, Boehringer Ingelheim); Farm 4: Latest PRRSV outbreak <1 month prior to the first sampling event; Farm 5: Vaccinated with a modified live vaccine (Ingelvac PRRS® MLV, Boehringer Ingelheim). Samples were not collected on grey shaded sampling events.