Table 1.

Nucleotide and deduced amino acid identities among 144 Vietnamese PRRSV strains

Year		2015	2014	2013	2012	2011	2010	2009	2008	2007
2015	nt	99.3–100	88.1–99.6	88.1–99.5	89.1–99.1	98.1–99.1	86–99.1	98.1–99.1	98.1–99.1	98.5–99.1
	aa	98–100	85.5–95.5	85.5–98.5	88–98.5	96.5–99	84–99	97–99	97–99	97.5–98.5
2014	nt		84.8–100	85.1–100	86–99.5	87.8–99.6	84.1–99.1	87.8–99.1	87.8–99.1	88–99.1
	aa		82–100	82–100	84–99.5	85.5–100	81–99.5	86–99.5	86–99.5	85.5–99
2013	nt			86.5–100	87–99.5	87.8–99.3	83.6–99	87.8–99	87.8–99	88–99
	aa			83.5–100	84.5–99.5	86–99	81.5–99.5	86–99	86–99	85.5–98.5
2012	nt				87.8–100	88.8–99.8	84.6–100	88.8–99.5	88.8–99.5	89–98.6
	aa				87–100	88.5–99.5	81–100	88.5–99.5	88.5–99.5	88–99
2011	nt					98.1–100	85.6–100	98.1–99.5	98.1–99.5	98.1–99.3
	aa					98–100	83–100	98–100	98–100	97.5–99.5
2010	nt						84.5–100	85.3–100	85.3–100	85.5–99.3
	aa						81.5–100	83–100	83–100	83.5–99.5
2009	nt							98.1–100	98.1–100	98.1–99.3
	aa							98.5–100	98.5–100	98–99.5
2008	nt								98.1–100	98.1–99.3
	aa								98.5–100	98–99.5
2007	nt									98.5–100
	aa									98.5–100