| Comprehensive safety data regarding coronavirus disease 2019 (COVID-19) vaccine use during pregnancy have not yet been collected. |
| COVID-19 Vaccines International Pregnancy Exposure Registry (C-VIPER) is an ongoing, large, international, prospective, observational study that will allow the generation of hypotheses for future research. |
| It is designed to rapidly identify strong safety signals and flexibly enroll participants over geography and time. |
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