Notes
International Classification of Diseases, 9th revision
Identified using definitions from the Vaccine Safety Datalink and National Birth Defects Prevention Network, along with input from a physician and certified medical coder.
Reference
Romano CJ, et al. History of pandemic H1N1-containing influenza vaccination and risk for spontaneous abortion and birth defects. Vaccine : 28 Sep 2021. Available from: URL: http://doi.org/10.1016/j.vaccine.2021.09.003
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No evidence of birth defects or spontaneous abortion from pandemic H1N1-influenza vaccine. Reactions Weekly 1877, 8 (2021). https://doi.org/10.1007/s40278-021-03578-9
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DOI: https://doi.org/10.1007/s40278-021-03578-9