What is the most common adjuvant and why is it used?
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5 min read
For nearly a century, aluminum salts have been the most frequently included adjuvant in human vaccines, with about one-third of currently licensed vaccines containing them. This longevity is a testament to its long-established safety record and efficacy in enhancing immune responses to various antigens. The widespread use of these compounds answers the question: **What is the most common adjuvant?** and highlights their foundational role in modern pharmacology.
