Immunization of pregnant women is a promising public health strategy to reduce morbidity and mortality among both the mothers and their infants. Establishing safety and efficacy of vaccines generally uses a hybrid design between a conventional interventional study
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S. Kochhar | S. Hirschfeld | J. Bauwens | A. Honrado | C. Jones | J. Bonhoeffer | F. Muñoz | A. T. Meulen