Microbiology Which of the following drug for moderate-to-severe psoriasis inhibits both IL-12 and IL-23? A Alefacept B Efalizumab C Ustekinumab D Abatacept 💡 Explanation Which of the following drug for moderate-to-severe psoriasis inhibits both IL-12 and IL-23? ✓ Correct Answer: C. Ustekinumab