Ravi Patel January 21, 2025 AMERICAN CANCER SOCIETY, CANCER PREVENTION, CLINICAL TRIALS, CNN, HPV VACCINE, KETTERING CANCER CENTER, MEDICINE, MEMORIAL SLOAN, MEMORIAL SLOAN KETTERING CANCER CENTER, NEIL IYENGAR, NEW YORK, NORTH AMERICA, NP, NPR, ONCOLOGY, REBECCA SIEGEL, RESEARCH, SIEGEL, UNITED STATES