Effectiveness of existing H5N1 vaccines against circulating influenza strains remains largely unknow. Here, the authors test neutralization activity of sera from individuals vaccinated with an inactivated H5N1 vaccine against 17 pseudoviruses and suggest that high vaccine-induced antibody level likely provide cross-protection against circulating H5N1 strains.
- Xiande Huang
- Dan Yu
- Weijin Huang
