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Correction: Economic Analysis of Vaccination Strategies for PRRS Control

  • Daniel C. L. Linhares,
  • Clayton Johnson,
  • Robert B. Morrison

Correction: Economic Analysis of Vaccination Strategies for PRRS Control

  • Daniel C. L. Linhares, 
  • Clayton Johnson, 
  • Robert B. Morrison
PLOS
x

In the title of the article, the word “Vaccination” should be “Immunization.” The correct title is: Economic Analysis of Immunization Strategies for PRRS Control. The correct citation is: Linhares DCL, Johnson C, Morrison RB (2015) Economic Analysis of Immunization Strategies for PRRS Control. PLoS ONE 10(12): e0144265. doi:10.1371/journal.pone.0144265

There is an error in the seventh sentence of the Abstract. The correct sentence is: Preventive vaccination of sow herds was beneficial when the frequency of PRRSv infection was at least every 1 year and 9 months.

There are errors in Figs 35. Please see the corrected Figs 35 below.

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Fig 3. Distribution of economic advantage of farms that used MLV in comparison to those that used LVI as part of load-close-expose program.

Outcome of model B, a Monte Carlo simulation of economic advantage of MLV compared to LVI. (A) is the outcome illustrated as a probability density function. (B) is the outcome illustrated as cumulative density function.

https://doi.org/10.1371/journal.pone.0150444.g001

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Fig 4. Break-even analysis of preventative vaccination practice according to cost of attenuated-PRRSv on growth performance or magnitude of reduction on pigs/sow/year (PSY) due to attenuated PRRSv.

(A). Effect of attenuated-PRRSv impact on pig growth performance on break-even of preventative vaccination, considering sow herd-level impact of 1 PSY. (B) Effect of attenuated-PRRSv impact on reduction of pigs weaned/sow/year on break-even of preventative vaccination, assuming no impact of attenuated PRRSv on growth performance.

https://doi.org/10.1371/journal.pone.0150444.g002

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Fig 5. Break-even analysis of preventive vaccination practice according to cost of attenuated-PRRSv on growth performance or magnitude of reduction on pigs/sow/year (PSY) due to attenuated PRRSv.

(A) Impact of margin over variable cost (MOVC) and production cost attributable to PRRSv on advantage to have prior PRRSv-immunity. (B) Impact of MOVC and PSY on advantage to have prior PRRSv-immunity.

https://doi.org/10.1371/journal.pone.0150444.g003

Reference

  1. 1. Linhares DCL, Johnson C, Morrison RB (2015) Economic Analysis of Vaccination Strategies for PRRS Control. PLoS ONE 10(12): e0144265. pmid:26673898