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Porcine reproductive and respiratory syndrome virus (PRRSV) has recently caused heavy economic losses in swine industry worldwide. Current vaccination strategies only provide a limited protective efficacy, thus immune modulators are being considered to enhance the effectiveness of PRRSV vaccines. In this study, the recombinant adenoviruses expressing porcine CD40 ligand (CD40L) and GP3/GP5 of PRRSV...
Porcine reproductive and respiratory syndrome virus (PRRSV) has been mainly responsible for the heavy economic losses in pig industry all over the world. Current vaccination strategies provide only a limited protection. In this study recombinant adenoviruses expressing GP3/GP5 of highly pathogenic PRRSV and heat shock protein 70 (HSP70) gene of Heamophilus parasuis were constructed, and the immune...
Immunization is considered as the most effective way for the prophylaxis of hepatitis A virus (HAV) infection. This study aimed to evaluate the immunogenicity and safety of three consecutive lots of a new preservative-free inactivated hepatitis A vaccine (Healive ® ) in healthy children. A double-blind, randomized and controlled clinical trial was conducted in healthy volunteers aged from...
Foot-and-mouth disease (FMD) is a highly contagious and economically devastating vesicular disease of cloven-hoofed animals. In the present report, we constructed and characterized the immune responses conferred by two recombinant adenoviruses expressing VP1 epitopes (three amino acid residues 21–60, 141–160 and 200–213 in VP1, designated VPe) or VP1 protein of FMDV fused with porcine granulocyte...
Porcine circovirus 2 (PCV2) has been implicated as the etiological agent of some diseases, mainly postweaning multisystemic wasting syndrome (PMWS) and porcine dermatitis and nephropathy syndrome (PDNS). The capsid (Cap) protein encoded by the PCV2 ORF2 gene may be an excellent candidate for vaccination. In this study, the Cap protein gene was amplified by PCR, and cloned into the transfer vector...
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