Anna Maria Valencia

hepatitis-b
Immunization, Research

What’s in the Tdap Vaccine? Ingredients, Safety Data, and Common Questions

Tdap contains three active components: tetanus toxoid, diphtheria toxoid, and acellular pertussis antigens. Each ingredient has a specific function, and understanding what they are — and what they aren’t — is the most effective way to address the questions parents ask most often. This page covers every ingredient in the standard formulation, what the safety

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