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Correction to: In vitro and in vivo analyses of co‑infections with peste des petits ruminants and capripox vaccine strains
Virology Journal volume 18, Article number: 128 (2021)
Correction to: Virol J (2021) 18:69 https://doi.org/10.1186/s12985-021-01539-7
Following publication of the original article , the authors have realized that there are a few errors as follows:
Table 2 has two clerical errors. The Correct Table 2 is given below:
An error was identified in the Methods section. The updated Methods is given below and the changes have been highlighted in bold typeface.
In this study, we vaccinated sheep with PPR and POX vaccines to compare the changes in the antibody levels between animals vaccinated with PPRV and POX vaccines alone and those co-infected with both vaccines simultaneously. The cell infection model was used to explore the interference mechanism between the vaccines in vitro. The antibody levels were detected with the commercial ELISA kit. The Real-time Quantitative PCR method was employed to detect the viral load changes and cytokines expression after the infection.
Two typing errors in the Discussion section. The updated Discussion is given below and the changes have been highlighted in bold typeface.
This study detected the expression levels of cytokines such as TNF-α, IL-1β, IL-6, IL-10, IFN-α, and IFN-β and found that after the viral infection, the expression levels of IL-1β, IL-6, IL-10 in the co-infection groups were significantly enhanced in contrast to the group infected with PPRV alone. Compared with the group infected with GTPV alone, the expressions of IL-1β, IL-6, IL-10, and TNF-α in the co-infection groups were inhibited.
The authors confirm that this changes nothing in the conclusions of the article.
The original article  has been corrected.
Zhang D, Yang B, Zhang T, et al. In vitro and in vivo analyses of co-infections with peste des petits ruminants and capripox vaccine strains. Virol J. 2021;18:69. https://doi.org/10.1186/s12985-021-01539-7.
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The original version of this article was revised: the authors have realized that there are a few errors.
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Zhang, D., Yang, B., Zhang, T. et al. Correction to: In vitro and in vivo analyses of co‑infections with peste des petits ruminants and capripox vaccine strains. Virol J 18, 128 (2021). https://doi.org/10.1186/s12985-021-01576-2