tetano
Editor, Senior Moderator
Clin Vaccine Immunol. 2012 Dec 12. [Epub ahead of print]
Survelliance for adverse events following immunization from 2008 to 2011 in Zhejiang province, China.
Hu Y, Li Q, Lin L, Chen E, Chen Y, Qi X.
Source
Institute of Immunization and Prevention, Zhejiang Center for Disease Control and Prevention, Hangzhou, China.
Abstract
This study summarises passive surveillance data for adverse events following immunization(AEFI) reported to the National AEFI Surveillance System(NASS) in Zhejiang province, and describes reporting trends from 2008 to 2011. AEFI reporting rates were calculated using denominator data from Individual Immunization Information System and Zhejiang provincial Bureau of Statistics.6265 AEFI records were reported, the overall reporting rate was 9.2 per 100,000 doses.There were two peaks of reporting rate, which mainly be associated with the introduction of pandemic H1N1 influenza vaccine(pH1N1) in 2009 and Measles-Mumps vaccine(MM) campaign in 2010.Majority of the AEFI described non-serious events.15 deaths were recorded but only one was possibly related to immunization.The most frequently reported reactions were fever and injection site reaction.Vaccines distributed in Zhejiang province have proven to be generally safe.The data of AEFI surveillance provide a reference point for ongoing reporting of trends and illustrate the value of the NASS database as a surveillance tool for monitoring AEFI.
PMID:
23239804
[PubMed - as supplied by publisher]
http://www.ncbi.nlm.nih.gov/pubmed/23239804
Survelliance for adverse events following immunization from 2008 to 2011 in Zhejiang province, China.
Hu Y, Li Q, Lin L, Chen E, Chen Y, Qi X.
Source
Institute of Immunization and Prevention, Zhejiang Center for Disease Control and Prevention, Hangzhou, China.
Abstract
This study summarises passive surveillance data for adverse events following immunization(AEFI) reported to the National AEFI Surveillance System(NASS) in Zhejiang province, and describes reporting trends from 2008 to 2011. AEFI reporting rates were calculated using denominator data from Individual Immunization Information System and Zhejiang provincial Bureau of Statistics.6265 AEFI records were reported, the overall reporting rate was 9.2 per 100,000 doses.There were two peaks of reporting rate, which mainly be associated with the introduction of pandemic H1N1 influenza vaccine(pH1N1) in 2009 and Measles-Mumps vaccine(MM) campaign in 2010.Majority of the AEFI described non-serious events.15 deaths were recorded but only one was possibly related to immunization.The most frequently reported reactions were fever and injection site reaction.Vaccines distributed in Zhejiang province have proven to be generally safe.The data of AEFI surveillance provide a reference point for ongoing reporting of trends and illustrate the value of the NASS database as a surveillance tool for monitoring AEFI.
PMID:
23239804
[PubMed - as supplied by publisher]
http://www.ncbi.nlm.nih.gov/pubmed/23239804