• Association of Serum Vitamin D level and COVID-19 infection: A Case-control Study 

      AlYafei, Najat Abdrabbo; Jaleel, Bushra Naaz Fathima; Abdel-Salam, Abdel-Salam G.; Al-Saadi, Hamda Ali; Al Abdulla, Samya Ahmad ( HBKU Press , 2022 , Article)
      Background: Vitamin D is considered a potent modulator of the immune system, albeit its role in COVID-19 infection is a matter of debate. The present study aimed to estimate the association between serum vitamin D levels ...