Nutrition and immunity during COVID-19 pandemic oleh Payam Sharifan, Zahra Khorasanchi, Anousheh Sharifan, Hamideh Ghazizadeh, Mansoureh Sadat Ekhteraee Toosi, Bahrooz Shakeri, Pegah Moosavi, Hanieh Keikhay Moghadam, Motahhare Abdollahpour, Reza Assaran Darban, Gordon A. Ferns, Majid Ghayour-Mobarhan