Lineage 1 porcine reproductive and respiratory syndrome virus attenuated live vaccine provides broad cross-protection against homologous and heterologous nadc30-like virus challenge in piglets

HIGHLIGHTS

• who: Hongliang Zhang and colleagues from the State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute have published the research work: Lineage 1 Porcine Reproductive and Respiratory Syndrome Virus Attenuated Live Vaccine Provides Broad Cross-Protection against Homologous and Heterologous NADC30-Like Virus Challenge in Piglets, in the Journal: Vaccines 2022, 10, 752. of /2022/
• what: The authors developed an attenuated lineage 1 PRRSV vaccine, SD-R (125th passage of strain SD in Marc-145 cells), and evaluated its homologous and heterologous protection effects.
• how: The results showed that antibodies specific PRRSVs . . .
  

   

  

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