Porcine reproductive and respiratory syndrome virus vaccines: Immunogenicity, efficacy and safety aspects

Table 3 Recommendation and vaccination schedule of commercial PRRS killed virus vaccines

Vaccine	Pigs	Route	Dose (mL)	Program
Progressis/	Gilt	im	2	Primary: twice, 3-4 wk interval, at least 3 wk prior to breeding
Ingelvac PRRS KV				Booster: 60-70 d of each gestation
	Sow			Primary: twice, 3-4 wk interval, at any stage of production
		im	2	Booster: 60-70 d of each gestation
Suipravac-PRRS	Gilt	im	2	Primary: twice, 3-4 wk interval, when entering the farm
				Booster: Follow sows’ vaccination program
	Sow	im	2	Primary: twice, 3-4 wk interval, during pregnancy or lactation
				Booster: every 4 mo
Suivac PRRS-INe/Suivac PRRS-IN	Gilt/Sow	im	2	Primary: three times; 1st at 5-6 mo of age, 2nd at 3-4 wk after 1st, and 3rd at 6-4 wk prior to expected farrowing
				Booster: twice; 1st at 3-4 wk after the farrowing, and 2nd at 6-4 wk prior to the further expected farrowing
	Boar	im	2	Primary: twice, 4 wk interval, starting at 6 mo of age
				Booster: every 4-6 mo
	Nursery/Growing	im	2	Three times: 3-4 wk interval, starting at 6-10 wk of age

im: Intramuscularly; KV: Killed virus.