THE CORRELATION BETWEEN SERUM 25-HYDROXY-VITAMIN D LEVELS AND ANTI-SARS-COV-2 S-RBD IGG AND NEUTRALIZING ANTIBODY LEVELS AMONG CANCER PATIENTS RECEIVING COVID-19 VACCINES

IntroductionDuring the coronavirus disease 2019 (COVID-19) pandemic, vitamin D has been established as an immune-modulator that reduces pro-inflammatory damage which effectively SHAMPOO AND CONDITIONER SET diminish the severity of COVID-19.Vitamin D also has a significant effect against influenza and dengue and increase the seroconversion following