Vaccine effectiveness in pandemic influenza – primary care reporting (VIPER): an observational study to assess the effectiveness of the pandemic influenza A (H1N1)v vaccine

CR Simpson, LD Ritchie, C Robertson,, A Sheikh, J McMenamin
2010 Health Technology Assessment  
Vaccine effectiveness in pandemic influenza -primary care reporting (VIPER): an observational study to assess the effectiveness of the pandemic influenza A (H1N1)v vaccine
doi:10.3310/hta14340-05 pmid:20630126 fatcat:77ujd5cpy5ck3mnde7ssqqmpy4